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SpaceVPX Tutorial 06282016

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Charles Patrick Collier

This document discusses SpaceVPX and SpaceVPXLite, which are standards for modular payload architectures for space applications. SpaceVPX was created to bridge existing VPX standards with the needs of the space market by defining module profiles to meet space application needs, adding features to the utility plane for fault tolerance, and defining the use of SpaceWire for the control plane. The document outlines key aspects of SpaceVPX including its goals, building blocks, development flow, involved organizations, and profiles for slots, backplanes and modules.

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Air Force Research Laboratory Integrity  Service  Excellence Charles Patrick Collier Senior Electrical Research Engineer AFRL Space Vehicles Air Force Research Laboratory 06/28/2016 NGSIS SpaceVPX and SpaceVPXLite Distribution Statement A: Approved for Public Release
2 Bottom Line Up Front (BLUF) What is wrong with just using legacy space electronics? • Legacy space systems are often point solutions • Re-use is not a priority • Don’t have the full range of redundancy options (dual-string, M- of-N, etc.) built-in given the particular application and its needs. • Internal interfaces are often proprietary and application specific • Modules are not designed to inter-operate at either hardware or software level Distribution Statement A: Approved for Public Release
3 ANSI/VITA 1 VME64 includes 32 and 64-bit address; P1 and P2 connectors expanded from 96 to 100 pins each ANSI/VITA 41.0 VXS adds new P0 connector to support high baud rates of Packet Switch fabrics such as SRIO. VME’s P1 and P2 retained. ANSI/VITA 5 – 1995 RACEway Interlink first of the Switched Fabrics standardized by VITA Circuit switched, parallel signaling as oppose to serial – superseded by ANSI/VITA 5.1 1999 (S2011) ANSI/VITA 46.0-2007 VPX provide many more high baud rate pins at the expense of backward compatibility. ANSI/VITA 66.0-2011 adds blind mate optical connectors to VPX ANSI/VITA 67.0-2012 adds blind mate coax connectors to VPX ANSI/VITA 46.0-2007 (R2013) VPX revision taking input from VITA 65 Working Group ANSI/VITA 65-2010 (R2012) second release of OpenVPX ANSI/VITA 78-2015 SpaceVPX specification is released that provides a Space specific VPX version for Space applications. VITA 78.1 – SpaceVPXLite 3U version of SpaceVPX is underdevelopment for SWaP constrained Space applications – a release is expected in 2016. ANSI/VITA 65-2010 OpenVPX brings system perspective to VPX Timeline VME, VXS, VPX, OpenVPX, SpaceVPX, and SpaceVPXLite Distribution Statement A: Approved for Public Release
4 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
5 What are SpaceVPX’ s Goals Created to bridge the VPX standards to the space market. • SpaceVPX addresses both interoperability (as OpenVPX does) and space application needs (not in OpenVPX). • SpaceVPX defines Payload, Switch, Controller, and Backplane module profiles to meet needs of space applications • SpaceVPX adds features to the Utility Plane for fault tolerance • Point-to-point not bussed to tolerate faults: failure on module does not affect entire system. • Space Utility Module added to provide dual-redundant source for Utility Plane implementations. • SpaceVPX defines use of SpaceWire for Control Plane over Ethernet (OpenVPX preferred solution). Distribution Statement A: Approved for Public Release
6 What is SpaceVPX? Develop • Enhanced set of backplane specifications that are based upon existing commercial standards with added features required for space applications. Increase • Interoperability and compatibility between manufacturers and integrators, while simultaneously increasing affordability through the use of standard sets of hardware. Distribution Statement A: Approved for Public Release
7 VITA 65, RIO ver.2.0 Fault Tolerance enhancements VITA 46.3 SRIO on VPX VITA 46.9 PMC/XMC VITA 46.11 Sys. Management VITA 48.2 Conduction SpaceVPX (VITA 78) SpaceVPXLite (VITA 78.1) What is in SpaceVPX? SpaceVPX/SpaceVPXLite allows a user to configure a system from board level products purchased from different vendors - thus the focus on interoperability. Distribution Statement A: Approved for Public Release
8 SpaceVPX Building Blocks Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput SATCOM System VPX 1 VPX 2 VPX 3 VPX 7 VPX 8 VPX 9 VPX 4 VPX 6 Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane IPMC IPMC IPMC IPMC IPMC IPMC Contrl Switch Contrl Switch Power A and B Switched Management Plane (IPMB) Control Plane (TP) Data Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slotsPayload slots Switched Utility Plane Includes power UM 5 Controller Selection A and B (HLD) Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane SW ChMC ChMC TP TP ControlSlot ControlSlot SpaecUM Slots Distribution Statement A: Approved for Public Release
9 Simplified SpaceVPX Development Flow • Determine application requirements • Size, weight and power • Processing, fabric and I/O requirements • Select overall system parameters • 3U or 6U? • Switching topology? • Number and type of slots? • Assemble development vehicle • COTS development chassis • COTS boards • COTS or custom RTMs • Design deployment system • Typically custom backplane • Typically route I/O signals to custom I/O slot or bulkhead connector Distribution Statement A: Approved for Public Release
10 Who is Involved in SpaceVPX? Distribution Statement A: Approved for Public Release
11 Who is Involved in the RapidIO Space Device Class? Distribution Statement A: Approved for Public Release
12 Outline • What is SpaceVPX? • SpaceVPX Base Use Case and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
13 Basic SpaceVPX Payload Use Case Distribution Statement A: Approved for Public Release
14 Data Plane Switch Topology Full Mesh Topology Dual-Star Topology using two Switch Slots Dual-Star Topology with PCI Expansion PCI Expansion Distribution Statement A: Approved for Public Release
15 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
16 Profiles in SpaceVPX A physical mapping of ports onto a slot’s backplane connectors A physical specification of a backplane Extends a slot profile by mapping protocols to a module’s ports VPX 1 VPX 2 VPX 3 VPX 7 VPX 8 VPX 9 VPX 4 VPX 6 Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane IPMC IPMC IPMC IPMC IPMC IPMC Contrl Switch Contrl Switch Power A and B Switched Management Plane (IPMB) Control Plane (TP) Data Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slotsPayload slots Switched Utility Plane Includes power UM 5 Controller Selection A and B (HLD) Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane SW ChMC ChMC TP TP ControlSlot ControlSlot SpaecUM Slots Slot Profile Backplane Profile Profile Name Data Plane 4 FP Expansio n Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY- 4F1Q2T- 12.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceW ire per Section 5.2.1 User Defined DIFF pins Module Profile Also: Power Keying and Chassis profiles Distribution Statement A: Approved for Public Release
17 Lanes and Pipes in VPX Term Definition Lane An electrical lane consists of one transmit differential pair and one receive differential pair, point-to-point, crossed connection (transmit connects to receive and receive to transmit). An optical lane consists of a transmit and receive fiber, point-to-point, crossed connection. Pipe A physical aggregation of differential pairs used for a common function that is characterized in terms of the total number of differential pairs. A Pipe is not characterized by the protocol used on it. The following Pipes are predefined by OpenVPX: Ultra-Thin Pipe (UTP): A Pipe comprised of 2 differential pairs. Example: 1000BASE-KX Ethernet, 1x Serial RapidIO, and x1 PCIe interfaces. Thin Pipe (TP): A Pipe composed of 4 differential pairs. Example: 1000BASE-T interfaces. Fat Pipe (FP): A Pipe composed of 8 differential pairs. Example: 4x Serial RapidIO, x4 PCIe, and 10GBASE-KX4 interfaces. Double Fat Pipe (DFP): A Pipe composed of 16 differential pairs. Example: x8 PCIe interface. Triple Fat Pipe (TFP): A Pipe composed of 24 differential pairs. Example: 12x InfiniBand interface. Quad Fat Pipe (QFP): A Pipe composed of 32 differential pairs. Example: x16 PCIe interface. Octal Fat Pipe (OFP): A Pipe composed of 64 differential pairs. Example: x32 PCIe interface. Distribution Statement A: Approved for Public Release
18 Modules Profiles Profile Name Data Plane 4 FP Expansion Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY- 4F1Q2T- 1 2.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins • Module Profiles specify a particular Slot Profile and the protocols that go on groups of pins – The section number and sequence number at the end of the name make sure it is unique – Module Profile sections, in ANSI/VITA 65, use the sequence number, to specify a particular combination of protocols out of the multiple options Distribution Statement A: Approved for Public Release
19 Example Set of 6U Module Profiles Profile Name Data Plane 4 FP Expansion Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY-4F1Q2T- 12.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-2-cc sRIO 2.2 at 5.0 Gbaud per Section 5.2 sRIO 2.1 at 5.0 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-3-cc sRIO 2.2 at 6.25 Gbaud per Section 5.2 sRIO 2.1 at 6.25 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-4 to 6-cc sRIO 2.2 at 3.125/5/6.25 Gbaud per Section 5.2 User Defined – DIFF Pins SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-7 to 9-cc sRIO 2.2 at 3.125/5/6.25 Gbaud per Section 5.2 User Defined – SE Pins SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-1n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined J3=SE pins J5=DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-2n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined J3=DIFF pins J5=SE pins MOD6-PAY-4F1Q2T- 12.2.1-3n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined SE pins Distribution Statement A: Approved for Public Release
20 Slot Profiles • Slot Profiles Define Pin Assignments for Both Plug-In Modules and Backplanes, independent of protocol – With 6U P0 thru P6 are Plug-In Module connectors – J0 thru J6 are backplane connectors • With most SpaceVPX Profiles P1/J1 thru P6/J6 are mostly differential pairs – 32 differential pairs / connector – 16 lanes – 8 single-ended pins / connector – 6 connectors give a total of 192 pairs and 48 single-ended SpaceVPX 6U Slot Profile: SLT6-PAY-4F1Q2T-10.2.1 Single- Ended pins Differential pins Distribution Statement A: Approved for Public Release
21 Mapping Interfaces to SpaceVPX Slot Profiles Data Plane 4 FP Diff P1/J1 Control Plane 16 TP Utility Plane Expansion Utility Plane Utility Plane S E Diff P5/J5 S E S E S E SE P0/J0 Key Key S E Diff P2/J2 Diff P3/J3 Diff P4/J4 Diff P1/J1 User Defined User Defined User Defined User Defined Key 8 Pairs 16 Pairs To SpaceUM S E Diff P6/J6 Serial RapidIO (sRIO) is used for the data plane x1 interface = 1 Ultra thin pipe (UTP) x2 interface = 1Thin Pipe (TP) x4 interface = 1 Fat Pipe (FP) Utility plane provides power, configuration, timing and management input signals using I2C, CMOS and LVDS levels Expansion Plane for additional Data FPs, Heritage I/Fs or User DefinedSignals SpaceWire is used for the control plane 1 interface = 1Thin Pipe (TP) Signals to and from the SpaceUM Expansion Plane for additional Data FPs, Heritage I/Fs or User DefinedSignals Distribution Statement A: Approved for Public Release
22 SpaceVPX 6U Slot Families Payload Family: Payload, Controller, Peripheral, Control Switch Switch Family: Data Switch, Switch & Controller, Control Switch Pinouts are consistent throughout slot profile families enabling single design providing multiple slot types Distribution Statement A: Approved for Public Release
23 6U Slot Profiles Payload Payload Peripheral Peripheral Switch and Controller Data and Control Switch Data Switch Controller Controller Distribution Statement A: Approved for Public Release
24 3U Slot Profiles Payload Payload Peripheral Switch or Mesh Slot Switch and Controller Controller Controller Distribution Statement A: Approved for Public Release
25 6U Connector Guidelines All: J0 & J1 Row G: Utility Plane Data Switch: – J1AB: Up to 4 TP Control – J2, J3, J4, J5, J6, J1CD: Up to 22 FP Data Integrated Switches: Data, Management and Control: – J1, J2: up to 16 TP Control – J4, J3, J5, J2: up to 16 FP Data – J6: up to 4 SpaceUM Utility Plane Feeds Payloads: – J1, J3, J6: Up to 12 Data FP – J2: Expansion - Daisy Chained Up to 32 Pairs of Heritage or Data – J4D: Control 2 TP – J5: Expansion – Heritage (PCI 32 bit) – J6, J5: Optical or RF Controllers (Payload Compatible) – J1: Up to 4 Data FP – J2: Expansion - Daisy Chained Up to 32 Pairs of Heritage or Data – J4, J3: Up to 16 TP Control – J5: Expansion – Heritage (PCI 32 bit) – J6: up to 4 SpaceUM Utility Plane Feeds Non-assigned pins may be user defined Distribution Statement A: Approved for Public Release
26 Payload Slot Profile (switched) Data-In Module Processing Module Data-In Module Storage Module Processing Module Data-In Module Data-Out Module UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapability Possibility I Possibility II Possibility III Data-Out Module Any Combination of Payload Functions is Possible Distribution Statement A: Approved for Public Release
27 Payload Slot Profile (mesh) Data-In Module Processing Module Data-In Module Storage Module Processing Module Data-In Module Data-Out Module UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapability Possibility I Possibility II Possibility III Data-Out Module Any Combination of Payload Functions is Possible Distribution Statement A: Approved for Public Release
28 SpaceVPX System Controller System Controller A System Controller B SpaceWire RouterRouter SpaceWire A to all Modules SpaceWire B to all Modules SpaceUM A SpaceUM B SMI & Clocks SMI & Clocks Power Power SMI & Clocks To 1-8 Modules SMI & Clocks To 1-8 Modules Power A and B Power A and B Power & Sys Controller Selects (fault tolerant) SpaceWire to other boxes SpaceWire to other boxes Optional data plane connections Optional data plane connections • Key element of SpaceVPX fault tolerance • Power channeled to System Controller which then directs powering of other modules • Uses System Management Interface (SMI) for chassis management then SpaceWire for Control Plane operations • SpaceWire router defined with System Controller may be separated with cross-strapping SpaceWire may be used as C&DH or medium speed data path within SpaceVPX box Distribution Statement A: Approved for Public Release
29 Controller Slot (with Data Plane Connection) Data-In Module Processing Module Data-In Module or Controller Module Controller Module Control Switch Module Control Switch ModulePossibility I Possibility II UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Payloads with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
30 Controller Slot (without Data Plane Connection) Controller Module Controller Module or Control Switch Module Control Switch Module Processing Module Storage Module Processing Module Possibility I Possibility II UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Payloads with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
31 Data Switch and Controller Slot Profile Controller Module Data Switch Module Controller Module Data Switch Module or Control Switch Module Control Switch Module Data Switch Module or Possibility I Possibility II Possibility III UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Data Switch with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
32 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
33 Data Plane Switch Topology Distribution Statement A: Approved for Public Release
34 Data Plane in SpaceVPX • High-throughput, predictable data movement without interfering with other traffic • Examples: Serial RapidIO or PCI Express VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
35 Data Plane Mesh Topology Distribution Statement A: Approved for Public Release
36 Expansion Plane in SpaceVPX • Tightly coupled groups of boards and I/O • Heritage Interfaces (PCI) VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
37 Control Plane Switch Topology Distribution Statement A: Approved for Public Release
38 Control Plane in SpaceVPX • Reliable, packet-based communication for application control, exploitation data • Typically Gigabit Ethernet for Commercial and SpaceWire for Space Applications VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
39 Utility System Management in SpaceVPX • Low-power • Defined by VITA 46.0 and 46.11 • Prognosticates/diagnoses problems • Can control module power VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
40 Utility Clocks, Reset and Power in SpaceVPX • Power pins and various utility signals • Utility plane provides power, configuration, timing and management input signals using I2C, CMOS and LVDS levels VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots
41 Example of 6U SpaceVPX Backplane Profile Profile name Mechanical Slot Profiles and Section Channel Gbaud Rate Pitch (in) RTM Conn Payload Switch & Controller Control Plane Data Plane Exp. Plane BKP6-CEN9- 11.2.5-1 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 3.125 3.125 BKP6-CEN9- 11.2.5-2 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 5.0 5.0 BKP6-CEN9- 11.2.5-3 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 6.25 6.25 Distribution Statement A: Approved for Public Release
42 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
43 SpaceVPX Concept Development • Three concepts developed • Concept 1 – Redefine an existing OpenVPX connector block as a second Utility/Management plane block (similar to P0/P1) • Incompatible with existing OpenVPX modules • Concept 2 – Extend the existing Open VPX connector by adding a second Utility/Management plane block (P7/P8 similar to P0/P1) • Extends module height from 6U to 6U+TBD • Partially compatible with existing OpenVPX modules • Concept 3 – Add one or more Space Utility/Management (SpaceUM) modules with independent support for each OpenVPX module • The SpaceUM module receives redundant Utility and Management Plane signals through the backplane and selects one set to be forwarded to the OpenVPX module Utility/Management plane signals • Allows use of existing OpenVPX modules in appropriate flight applications Distribution Statement A: Approved for Public Release
44 SpaceVPX Redundancy • Each of the interconnect planes defined by OpenVPX are supported by SpaceVPX as fully cross-strapped single-fault tolerant capable • Control, Data and Expansion plane redundancy is provided using the existing OpenVPX connectivity • Ability to utilize M-of-N payload module redundancy to support either higher reliability or degraded modes of operation • The SpaceVPX Utility and Management plane redundancy is a major departure from OpenVPX • OpenVPX uses single-source, bused power distribution • OpenVPX uses single-source, bused clock, reset and management distribution • Each interconnect plane can be implemented with reduced fault tolerance when desired Distribution Statement A: Approved for Public Release
45 SpaceVPX Fault Tolerance Goal SpaceVPX is to achieve an acceptable level of fault tolerance, while maintaining reasonable compatibility with OpenVPX components, including connector pin assignments. For the purposes of fault tolerance, a module is considered the minimum redundancy element. The Utility Plane, Management Plane, and Control Plane are all distributed redundantly and in star topologies to provide fault tolerance. For Space applications, the major fault tolerance requirements are listed below: • Dual-redundant power distribution (bussed) (Section 3.2.1) where each distribution is supplied from an independent power source. • Dual-redundant management distribution (point-to-point cross-strapped) where each distribution is supplied from an independent management controller to a SpaceUM module that selects between the A and B management controllers for distribution to each of the slots controlled by the SpaceUM module. • Card-level serial management (Section 3.4.3) • Card-level reset control • Card-level power control • Timing/synchronization/clocks, Matched length, low-skew differential (Section 3.4.2) • Fault tolerant Utility Plane selection (bussed) (Section 3.3) • Dual-redundant Data planes (point-to-point cross-strapped) • Dual-Redundant Control planes (point-to-point cross-strapped) (Section 3.2.3) • VITA 78 infrastructure allows for fully managed FRUs and for dumb FRUs Distribution Statement A: Approved for Public Release
46 Space Utility Management • Architecture • Provides single-fault-tolerance with limited increase in SWaP • One SpaceUM module supports eight VPX slots • Scalable to very large units • Maximum of 31 VPX slots and 4 SpaceUM slots • Dual-redundant power distribution • Allows traditional space methods • Dual-redundant management distribution • Traditional capability using improved methods • Accommodates supplier-preferred methods for implementing interoperable products • Topology • Traditional tree-topology is familiar to space suppliers • Flexible command/status interface options allow tailoring to customer needs Distribution Statement A: Approved for Public Release
47 System Management • Leverages the VITA 46.11 industry standard • Limited subset to minimize complexity • Defines an alternative light-weight protocol for less complex systems • Basic functions supported • Individual module power on-off control • Individual module reset control • Individual module status monitoring • Advanced capabilities • Module-level telemetry acquisition • Voltage, temperature, digital state, etc. • Module-level functional control • Sub-function power control, register access, memory access, etc. Distribution Statement A: Approved for Public Release
48 System Controller/Utility Plane Distribution Statement A: Approved for Public Release
49 SpaceVPX Management Distribution Topology System Controller A VPX Slot (ChMC) Select (discrete) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) Management Select System Controller B VPX Slot (ChMC) ManagementFanoutB (IPMC) ManagementFanoutA (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuitSelectCircuit SYS_RST System Management SYS_RST System Management Controller Select Distribution Statement A: Approved for Public Release
50 Power/Utility Plane Distribution Statement A: Approved for Public Release
51 SpaceVPX Power Distribution Topology Power Supply Power Supply System Controller A VPX Slot (ChMC) Select (discrete) SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot Power A Power B Power Select Utility Select System Controller B VPX Slot (ChMC) SelectCircuitSelectCircuit VPXSlotVPXSlot SelectCircuitSelectCircuit Distribution Statement A: Approved for Public Release
52 SpaceVPX 6U Power Profiles Key 1 Key 2 Key 3 Module Type Power Feeds (SpaceUM and PSC Only) Both: PF1-PF8, SpaceUM:PF17 Both:PF9-PF16, SpaceUM: PF18 SpaceU M: PF19 SpaceUM: PF20 Power Profile 270 270 Open Switch (3U Power) -- -- -- -- 270 315 Open Payload (3U Power) -- -- -- -- 315 270 Open Switch (6U Std Power) -- -- -- -- 315 315 Open Payload (6U Std Power) -- -- -- -- 90 0 0 SpaceUM 12 12 12 -12 12V 90 0 45 SpaceUM 12 12 3.3 -12 12V_3.3V 90 0 90 SpaceUM 12 12 5 -12 12V_5V 90 0 270 SpaceUM 12 5 3.3 -12 12V_5V_3.3V 90 45 0 SpaceUM 5 5 12 -12 5V_12V 90 45 45 SpaceUM 5 5 3.3 -12 5V_3.3V 90 45 90 SpaceUM 5 5 5 -12 5V 90 45 270 SpaceUM 5 3.3 12 -12 5V_3.3V_12V 90 90 0 SpaceUM 3.3 3.3 12 -12 3.3V_12V 90 90 45 SpaceUM 3.3 3.3 3.3 -12 3.3V 90 90 90 SpaceUM 3.3 3.3 5 -12 3.3V_5V 90 90 270 SpaceUM 3.3 12 5 -12 3.3V_12V_5V 90 270 0 SpaceUM 12 12 12 12 12V_max 90 270 45 SpaceUM 3.3 3.3 3.3 3.3 3.3V_max 90 270 90 SpaceUM 5 5 5 5 5V_max Distribution Statement A: Approved for Public Release
53 SpaceVPX 6U Power Profiles Key 1 Key 2 Key 3 Module Type Power Feeds (SpaceUM and PSC Only) Both: PF1-PF8, SpaceUM: PF17 Both: PF9-PF16, SpaceUM: PF18 SpaceUM: PF19 SpaceUM: PF20 Power Profile 90 270 270 SpaceUM NA NA NA NA 90 315 270 SpaceUM Intermediate Power Intermediate Power Intermediate Power Intermediate Power 0-18VDC 90 315 315 SpaceUM Intermediate Power Intermediate Power Intermediate Power Intermediate Power 18VDC-36VDC 0 0 0 PSC 18-36V Input 12 12 N/A N/A 12V 0 0 45 PSC 18-36V Input 12 12 N/A N/A 12V_n3.3V 0 0 90 PSC 18-36V Input 12 12 N/A N/A 12V_n5V 0 0 270 PSC 18-36V Input 12 5 N/A N/A 12V_5V_n3.3V 0 45 0 PSC 18-36V Input 5 5 N/A N/A 5V_n12V 0 45 45 PSC 18-36V Input 5 5 N/A N/A 5V_n3.3V 0 45 90 PSC 18-36V Input 5 5 N/A N/A 5V 0 45 270 PSC 18-36V Input 5 3.3 N/A N/A 5V_3.3V_n12V 0 90 0 PSC 18-36V Input 3.3 3.3 N/A N/A 3.3V_n12V 0 90 45 PSC 18-36V Input 3.3 3.3 N/A N/A 3.3V Distribution Statement A: Approved for Public Release
54 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
55 Mechanical • General Form Factor – VITA 46 • Conduction Cooled Modules – VITA 48.2 • Updated figures • Screw and tab modules with addition of threaded holes • Separate extraction tool for non-levered modules • Pitch – 0.8”, 1.0”, 1.2” (default) • Multiple pitch cards may be used • 160 mm standard length • 220, 280 and 340 mm allowed • Accommodates larger wedgelock • Connections to PWB ground allowed • Connector – VITA 46, VITA 60 or VITA 63 may be used Strongly leverages existing OpenVPX mechanical infrastructure and standards Distribution Statement A: Approved for Public Release
56 6U SpaceUM Connector • Currently two vendors are designing and building SpaceUM connectors • TE Connectivity • Smith Connectors • Each SpaceUM connects to a maximum number of 8 slots. Distribution Statement A: Approved for Public Release
57 6U and 3U Form Factor Plug-In Unit Dimensions OpenVPX SpaceVPX Distribution Statement A: Approved for Public Release
58 VXS P0 Connector P0 connector supports channels for serial fabrics Distribution Statement A: Approved for Public Release
59 VPX Connector • Same type of connector as used for P0 of VXS • Used along entire edge of board instead of just a single connector VPX Connector for 6U Module Distribution Statement A: Approved for Public Release
60 VPX Cooling Options • OpenVPX references VITA 48 specifications for mechanical and cooling – ANSI/VITA 48.0 Mechanical Specification for Microcomputers Using Ruggedized Enhanced Design Implementation (REDI) – Base specification • Options where cooling air normally comes in contact with electronic components – ANSI/VITA 48.1 Air cooled – widely used • Can handle up to around 200 W per 6U module • Module pitch of .80, 0.85, and 1.00 inches allowed; 1.00 inches is the most common • Options where cooling air normally has no contact with electronic components – ANSI/VITA 48.2 Conduction Cooled – widely used • Limited to around 150 W per 6U module, with air-cooled chassis side walls (higher with liquid cooled walls) • Module pitch of .80, 0.85, and 1.00 inches allowed; 1.00 inches is the most common – ANSI/VITA 48.5 Air Flow Through (AFT) • Can handle up to around 200 W per 6U module • Module pitch of up to 1.52 inches allowed; looks like 1.2 inches is becoming a common pitch – ANSI/VITA 48.7 air flow-by • Can handle up to around 200 W per 6U module • Module pitch of .85, 1.00, 1.10, and 1.20 inches allowed; expect 1.0 to be the most common – VITA 48.4 Liquid Flow Through (LFT) – draft not yet available • Expected to handle up to 300 to 400 W per 6U module Distribution Statement A: Approved for Public Release
61 ANSI/VITA 48.2 Conduction Cooling • Limited to around 150 W per 6U x 160 mm module, with air-cooled side walls – This is not enough for some modules – With liquid cooled chassis sidewalls can handle more • Proven rugged approach with long heritage – Newer approaches tend to handle higher power levels or give lower junction temperature at the same power level • Lower junction temperatures tend to increase the MTBF (Mean Time Between Failure) • Suppliers tend to spec the temperature at the module’s edge (in according with ANSI/VITA 47) – Be aware there will be a drop between the card and the chassis side wall – this can be a performance limiter • The temperature drop from module edge to chassis rail is a significant part of the budget, e.g. 55ºC air at 10,000 ft. to a card edge of 85ºC max = 30ºC budget Primary Cover PWB Diagrams from Mercury Systems presentation given at Sept 2012 VITA Standards meeting Distribution Statement A: Approved for Public Release
62 VITA Connector Options • 3 VITA standard connectors as candidates (TE Connectivity, Amphenol, and Smith Connectors). • A fourth candidate is under development (IEH Corp.); however, the product is nascent. • The SpaceVPX (VITA 78) did not make a connector recommendation. • Insufficient information largely the reason for a “No Go” on a recommendation. • For additional info see VPX connector reports – Available at: http://www.vita.com/VPX_Reports Distribution Statement A: Approved for Public Release
63 Plug-in Module Vibration Response • In addition micro-motion of Plug-In module being a potential cause of connector fretting wear/corrosion, backplane micro-motion can also be an issue. 1st Mode Shape Daughtercard connectorDaughtercard PWB (no vibration) Backplane PWB Backplane connector Direction of applied vibration (Z-axis of daughtercard) Direction of applied vibration (Z-axis of daughtercard) Possible fretting wear/corrosion of contacts due to micromotion Most of the slide content is from a Curtiss-Wright presentation given at Nov 2012 VITA Standards meeting Distribution Statement A: Approved for Public Release
64 Fretting Corrosion with Original RT2 Connector Resulting From Torturous Vibration Testing • Fretting corrosion is contact wear due to motion of backplane with respect to Plug-In Module • Fretting can be an issue for systems operating in high vibration environments • Fretting can be exacerbated by a poor design and/or poor fabrication • Pictures show wafers from RT2 connectors, Plug-In Module side, subjected to torturous vibration testing • Mercury and TE have developed the RT2-R connector to reduce the susceptibility to vibration • RT2 contacts wore through Gold, Nickel, & Copper pads on wafer (Plug-In Module side) • Believe two rows of holes as opposed to one because board was unplugged and plugged part way through testing (and did not seat in exactly the same place) or board moved during testing. Pictures from Mercury Systems presentation given at Sept 2012 VITA Standards meeting and courtesy of TE Connectivity Connector wafer Distribution Statement A: Approved for Public Release
65 RT2-R Enhanced Contact Design (Backplane Side) • RT2-R is more rugged than RT2 – Changes made to both backplane and Plug-In Module sides – Backplane side pins changed from 2 points of contact to 4 • RT2 and RT2-R inter-mate and PWB footprints are the same MULTIGIG RT2 2 Contact Points MULTIGIG RT2-R 4 Contact Points Pictures courtesy of TE Connectivity Distribution Statement A: Approved for Public Release
66 RT2-R Enhancement Extended Pads (Plug-In Module Side) Plug-In Module wafer Ground pad RT 2 RT 2-R (Extended pads) • RT 2 and RT 2-R VPX Plug-In Module wafers are plated with .000050” min gold over nickel. – Note: TE Connectivity uses the term “Daughter card” to refer to what VITA 65 refers to as a “Plug-In Module” • RT 2-R signal pads extended 1.20mm to maintain at least 2 mm contact wipe with all 4 contact points. • RT 2 Plug-In Module connectors can be used with RT 2-R backplane connectors and maintain 4 point redundancy if connectors are within 0.5 mm of being fully mated in application. Pictures courtesy of TE Connectivity 22.31 mm (0.878”) Distribution Statement A: Approved for Public Release
67 Minimizing Fretting Requires Attention to More Than Just Connectors • Movement of Plug-In Module with respect to backplane must be minimized – Consider stiffness of backplane – backplane bowing can be an issue – Pay close attention to all mechanical aspects of Plug-In module, backplane and chassis that can affect motion of Plug-In Module connectors with respect to backplane connectors • TE has “Ruggedized” guide hardware – machined hardware as opposed to die cast – Stainless steel guide pin – Aluminum (6061) guide socket (9.0 mm wide, 0.354”) • Ni plated • With optional ESD contact Guide Module Assembly Shown w/ optional ESD contact (2000713-X)Pictures courtesy of TE Connectivity Distribution Statement A: Approved for Public Release
OpenVPX Tutorial-68 20 Jan. 2016 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Minimizing Fretting Requires Attention to More Than Just Connectors • Movement of Plug-In Module with respect to backplane must be minimized – Consider stiffness of backplane – backplane bowing can be an issue – Pay close attention to all mechanical aspects of Plug-In module, backplane and chassis that can affect motion of Plug-In Module connectors with respect to backplane connectors • TE has “Ruggedized” guide hardware – machined hardware as opposed to die cast – Stainless steel guide pin – Aluminum (6061) guide socket (9.0 mm wide, 0.354”) • Ni plated • With optional ESD contact Guide Module Assembly Shown w/ optional ESD contact (2000713-X)Pictures courtesy of TE Connectivity Links: VXS P0, Pin Numbering, RTM, Slot Profiles, Connector, Contacts, RT2-R Wafer
69 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
70 Distribution A. Approved for public release: distribution unlimited Questions?

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SpaceVPX Tutorial 06282016

  • 1. Air Force Research Laboratory Integrity  Service  Excellence Charles Patrick Collier Senior Electrical Research Engineer AFRL Space Vehicles Air Force Research Laboratory 06/28/2016 NGSIS SpaceVPX and SpaceVPXLite Distribution Statement A: Approved for Public Release
  • 2. 2 Bottom Line Up Front (BLUF) What is wrong with just using legacy space electronics? • Legacy space systems are often point solutions • Re-use is not a priority • Don’t have the full range of redundancy options (dual-string, M- of-N, etc.) built-in given the particular application and its needs. • Internal interfaces are often proprietary and application specific • Modules are not designed to inter-operate at either hardware or software level Distribution Statement A: Approved for Public Release
  • 3. 3 ANSI/VITA 1 VME64 includes 32 and 64-bit address; P1 and P2 connectors expanded from 96 to 100 pins each ANSI/VITA 41.0 VXS adds new P0 connector to support high baud rates of Packet Switch fabrics such as SRIO. VME’s P1 and P2 retained. ANSI/VITA 5 – 1995 RACEway Interlink first of the Switched Fabrics standardized by VITA Circuit switched, parallel signaling as oppose to serial – superseded by ANSI/VITA 5.1 1999 (S2011) ANSI/VITA 46.0-2007 VPX provide many more high baud rate pins at the expense of backward compatibility. ANSI/VITA 66.0-2011 adds blind mate optical connectors to VPX ANSI/VITA 67.0-2012 adds blind mate coax connectors to VPX ANSI/VITA 46.0-2007 (R2013) VPX revision taking input from VITA 65 Working Group ANSI/VITA 65-2010 (R2012) second release of OpenVPX ANSI/VITA 78-2015 SpaceVPX specification is released that provides a Space specific VPX version for Space applications. VITA 78.1 – SpaceVPXLite 3U version of SpaceVPX is underdevelopment for SWaP constrained Space applications – a release is expected in 2016. ANSI/VITA 65-2010 OpenVPX brings system perspective to VPX Timeline VME, VXS, VPX, OpenVPX, SpaceVPX, and SpaceVPXLite Distribution Statement A: Approved for Public Release
  • 4. 4 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 5. 5 What are SpaceVPX’ s Goals Created to bridge the VPX standards to the space market. • SpaceVPX addresses both interoperability (as OpenVPX does) and space application needs (not in OpenVPX). • SpaceVPX defines Payload, Switch, Controller, and Backplane module profiles to meet needs of space applications • SpaceVPX adds features to the Utility Plane for fault tolerance • Point-to-point not bussed to tolerate faults: failure on module does not affect entire system. • Space Utility Module added to provide dual-redundant source for Utility Plane implementations. • SpaceVPX defines use of SpaceWire for Control Plane over Ethernet (OpenVPX preferred solution). Distribution Statement A: Approved for Public Release
  • 6. 6 What is SpaceVPX? Develop • Enhanced set of backplane specifications that are based upon existing commercial standards with added features required for space applications. Increase • Interoperability and compatibility between manufacturers and integrators, while simultaneously increasing affordability through the use of standard sets of hardware. Distribution Statement A: Approved for Public Release
  • 7. 7 VITA 65, RIO ver.2.0 Fault Tolerance enhancements VITA 46.3 SRIO on VPX VITA 46.9 PMC/XMC VITA 46.11 Sys. Management VITA 48.2 Conduction SpaceVPX (VITA 78) SpaceVPXLite (VITA 78.1) What is in SpaceVPX? SpaceVPX/SpaceVPXLite allows a user to configure a system from board level products purchased from different vendors - thus the focus on interoperability. Distribution Statement A: Approved for Public Release
  • 8. 8 SpaceVPX Building Blocks Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput Payloadinput Processingcard Processingcard Switchcard Memorycard Outputcard Powercard Payloadinput Payloadinput SATCOM System VPX 1 VPX 2 VPX 3 VPX 7 VPX 8 VPX 9 VPX 4 VPX 6 Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane IPMC IPMC IPMC IPMC IPMC IPMC Contrl Switch Contrl Switch Power A and B Switched Management Plane (IPMB) Control Plane (TP) Data Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slotsPayload slots Switched Utility Plane Includes power UM 5 Controller Selection A and B (HLD) Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane SW ChMC ChMC TP TP ControlSlot ControlSlot SpaecUM Slots Distribution Statement A: Approved for Public Release
  • 9. 9 Simplified SpaceVPX Development Flow • Determine application requirements • Size, weight and power • Processing, fabric and I/O requirements • Select overall system parameters • 3U or 6U? • Switching topology? • Number and type of slots? • Assemble development vehicle • COTS development chassis • COTS boards • COTS or custom RTMs • Design deployment system • Typically custom backplane • Typically route I/O signals to custom I/O slot or bulkhead connector Distribution Statement A: Approved for Public Release
  • 10. 10 Who is Involved in SpaceVPX? Distribution Statement A: Approved for Public Release
  • 11. 11 Who is Involved in the RapidIO Space Device Class? Distribution Statement A: Approved for Public Release
  • 12. 12 Outline • What is SpaceVPX? • SpaceVPX Base Use Case and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 13. 13 Basic SpaceVPX Payload Use Case Distribution Statement A: Approved for Public Release
  • 14. 14 Data Plane Switch Topology Full Mesh Topology Dual-Star Topology using two Switch Slots Dual-Star Topology with PCI Expansion PCI Expansion Distribution Statement A: Approved for Public Release
  • 15. 15 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 16. 16 Profiles in SpaceVPX A physical mapping of ports onto a slot’s backplane connectors A physical specification of a backplane Extends a slot profile by mapping protocols to a module’s ports VPX 1 VPX 2 VPX 3 VPX 7 VPX 8 VPX 9 VPX 4 VPX 6 Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane IPMC IPMC IPMC IPMC IPMC IPMC Contrl Switch Contrl Switch Power A and B Switched Management Plane (IPMB) Control Plane (TP) Data Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slotsPayload slots Switched Utility Plane Includes power UM 5 Controller Selection A and B (HLD) Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane Expan Plane SW ChMC ChMC TP TP ControlSlot ControlSlot SpaecUM Slots Slot Profile Backplane Profile Profile Name Data Plane 4 FP Expansio n Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY- 4F1Q2T- 12.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceW ire per Section 5.2.1 User Defined DIFF pins Module Profile Also: Power Keying and Chassis profiles Distribution Statement A: Approved for Public Release
  • 17. 17 Lanes and Pipes in VPX Term Definition Lane An electrical lane consists of one transmit differential pair and one receive differential pair, point-to-point, crossed connection (transmit connects to receive and receive to transmit). An optical lane consists of a transmit and receive fiber, point-to-point, crossed connection. Pipe A physical aggregation of differential pairs used for a common function that is characterized in terms of the total number of differential pairs. A Pipe is not characterized by the protocol used on it. The following Pipes are predefined by OpenVPX: Ultra-Thin Pipe (UTP): A Pipe comprised of 2 differential pairs. Example: 1000BASE-KX Ethernet, 1x Serial RapidIO, and x1 PCIe interfaces. Thin Pipe (TP): A Pipe composed of 4 differential pairs. Example: 1000BASE-T interfaces. Fat Pipe (FP): A Pipe composed of 8 differential pairs. Example: 4x Serial RapidIO, x4 PCIe, and 10GBASE-KX4 interfaces. Double Fat Pipe (DFP): A Pipe composed of 16 differential pairs. Example: x8 PCIe interface. Triple Fat Pipe (TFP): A Pipe composed of 24 differential pairs. Example: 12x InfiniBand interface. Quad Fat Pipe (QFP): A Pipe composed of 32 differential pairs. Example: x16 PCIe interface. Octal Fat Pipe (OFP): A Pipe composed of 64 differential pairs. Example: x32 PCIe interface. Distribution Statement A: Approved for Public Release
  • 18. 18 Modules Profiles Profile Name Data Plane 4 FP Expansion Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY- 4F1Q2T- 1 2.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins • Module Profiles specify a particular Slot Profile and the protocols that go on groups of pins – The section number and sequence number at the end of the name make sure it is unique – Module Profile sections, in ANSI/VITA 65, use the sequence number, to specify a particular combination of protocols out of the multiple options Distribution Statement A: Approved for Public Release
  • 19. 19 Example Set of 6U Module Profiles Profile Name Data Plane 4 FP Expansion Plane P2/J2 Control Plane 2 TP User Defined DP01 to DP04 CPtp01 to CPtp02 P3/J3, P5/J5 MOD6-PAY-4F1Q2T- 12.2.1-1-cc sRIO 2.2 at 3.125 Gbaud per Section 5.2 sRIO 2.1 at 3.125 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-2-cc sRIO 2.2 at 5.0 Gbaud per Section 5.2 sRIO 2.1 at 5.0 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-3-cc sRIO 2.2 at 6.25 Gbaud per Section 5.2 sRIO 2.1 at 6.25 Gbaud per Section 5.2 SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-4 to 6-cc sRIO 2.2 at 3.125/5/6.25 Gbaud per Section 5.2 User Defined – DIFF Pins SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-7 to 9-cc sRIO 2.2 at 3.125/5/6.25 Gbaud per Section 5.2 User Defined – SE Pins SpaceWire per Section 5.2.1 User Defined DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-1n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined J3=SE pins J5=DIFF pins MOD6-PAY-4F1Q2T- 12.2.1-2n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined J3=DIFF pins J5=SE pins MOD6-PAY-4F1Q2T- 12.2.1-3n-cc sRIO 2.2 per Section 5.2 defined by “n” above defined by “n” above SpaceWire per Section 5.2.1 User Defined SE pins Distribution Statement A: Approved for Public Release
  • 20. 20 Slot Profiles • Slot Profiles Define Pin Assignments for Both Plug-In Modules and Backplanes, independent of protocol – With 6U P0 thru P6 are Plug-In Module connectors – J0 thru J6 are backplane connectors • With most SpaceVPX Profiles P1/J1 thru P6/J6 are mostly differential pairs – 32 differential pairs / connector – 16 lanes – 8 single-ended pins / connector – 6 connectors give a total of 192 pairs and 48 single-ended SpaceVPX 6U Slot Profile: SLT6-PAY-4F1Q2T-10.2.1 Single- Ended pins Differential pins Distribution Statement A: Approved for Public Release
  • 21. 21 Mapping Interfaces to SpaceVPX Slot Profiles Data Plane 4 FP Diff P1/J1 Control Plane 16 TP Utility Plane Expansion Utility Plane Utility Plane S E Diff P5/J5 S E S E S E SE P0/J0 Key Key S E Diff P2/J2 Diff P3/J3 Diff P4/J4 Diff P1/J1 User Defined User Defined User Defined User Defined Key 8 Pairs 16 Pairs To SpaceUM S E Diff P6/J6 Serial RapidIO (sRIO) is used for the data plane x1 interface = 1 Ultra thin pipe (UTP) x2 interface = 1Thin Pipe (TP) x4 interface = 1 Fat Pipe (FP) Utility plane provides power, configuration, timing and management input signals using I2C, CMOS and LVDS levels Expansion Plane for additional Data FPs, Heritage I/Fs or User DefinedSignals SpaceWire is used for the control plane 1 interface = 1Thin Pipe (TP) Signals to and from the SpaceUM Expansion Plane for additional Data FPs, Heritage I/Fs or User DefinedSignals Distribution Statement A: Approved for Public Release
  • 22. 22 SpaceVPX 6U Slot Families Payload Family: Payload, Controller, Peripheral, Control Switch Switch Family: Data Switch, Switch & Controller, Control Switch Pinouts are consistent throughout slot profile families enabling single design providing multiple slot types Distribution Statement A: Approved for Public Release
  • 23. 23 6U Slot Profiles Payload Payload Peripheral Peripheral Switch and Controller Data and Control Switch Data Switch Controller Controller Distribution Statement A: Approved for Public Release
  • 24. 24 3U Slot Profiles Payload Payload Peripheral Switch or Mesh Slot Switch and Controller Controller Controller Distribution Statement A: Approved for Public Release
  • 25. 25 6U Connector Guidelines All: J0 & J1 Row G: Utility Plane Data Switch: – J1AB: Up to 4 TP Control – J2, J3, J4, J5, J6, J1CD: Up to 22 FP Data Integrated Switches: Data, Management and Control: – J1, J2: up to 16 TP Control – J4, J3, J5, J2: up to 16 FP Data – J6: up to 4 SpaceUM Utility Plane Feeds Payloads: – J1, J3, J6: Up to 12 Data FP – J2: Expansion - Daisy Chained Up to 32 Pairs of Heritage or Data – J4D: Control 2 TP – J5: Expansion – Heritage (PCI 32 bit) – J6, J5: Optical or RF Controllers (Payload Compatible) – J1: Up to 4 Data FP – J2: Expansion - Daisy Chained Up to 32 Pairs of Heritage or Data – J4, J3: Up to 16 TP Control – J5: Expansion – Heritage (PCI 32 bit) – J6: up to 4 SpaceUM Utility Plane Feeds Non-assigned pins may be user defined Distribution Statement A: Approved for Public Release
  • 26. 26 Payload Slot Profile (switched) Data-In Module Processing Module Data-In Module Storage Module Processing Module Data-In Module Data-Out Module UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapability Possibility I Possibility II Possibility III Data-Out Module Any Combination of Payload Functions is Possible Distribution Statement A: Approved for Public Release
  • 27. 27 Payload Slot Profile (mesh) Data-In Module Processing Module Data-In Module Storage Module Processing Module Data-In Module Data-Out Module UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapability Possibility I Possibility II Possibility III Data-Out Module Any Combination of Payload Functions is Possible Distribution Statement A: Approved for Public Release
  • 28. 28 SpaceVPX System Controller System Controller A System Controller B SpaceWire RouterRouter SpaceWire A to all Modules SpaceWire B to all Modules SpaceUM A SpaceUM B SMI & Clocks SMI & Clocks Power Power SMI & Clocks To 1-8 Modules SMI & Clocks To 1-8 Modules Power A and B Power A and B Power & Sys Controller Selects (fault tolerant) SpaceWire to other boxes SpaceWire to other boxes Optional data plane connections Optional data plane connections • Key element of SpaceVPX fault tolerance • Power channeled to System Controller which then directs powering of other modules • Uses System Management Interface (SMI) for chassis management then SpaceWire for Control Plane operations • SpaceWire router defined with System Controller may be separated with cross-strapping SpaceWire may be used as C&DH or medium speed data path within SpaceVPX box Distribution Statement A: Approved for Public Release
  • 29. 29 Controller Slot (with Data Plane Connection) Data-In Module Processing Module Data-In Module or Controller Module Controller Module Control Switch Module Control Switch ModulePossibility I Possibility II UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Payloads with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
  • 30. 30 Controller Slot (without Data Plane Connection) Controller Module Controller Module or Control Switch Module Control Switch Module Processing Module Storage Module Processing Module Possibility I Possibility II UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Payloads with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
  • 31. 31 Data Switch and Controller Slot Profile Controller Module Data Switch Module Controller Module Data Switch Module or Control Switch Module Control Switch Module Data Switch Module or Possibility I Possibility II Possibility III UtilizeUserDefinedPinsandTopofCard ConnectorsforAdditionalCapabilityAny Combination of Data Switch with Controller or Control Switch is Possible Distribution Statement A: Approved for Public Release
  • 32. 32 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 33. 33 Data Plane Switch Topology Distribution Statement A: Approved for Public Release
  • 34. 34 Data Plane in SpaceVPX • High-throughput, predictable data movement without interfering with other traffic • Examples: Serial RapidIO or PCI Express VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
  • 35. 35 Data Plane Mesh Topology Distribution Statement A: Approved for Public Release
  • 36. 36 Expansion Plane in SpaceVPX • Tightly coupled groups of boards and I/O • Heritage Interfaces (PCI) VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
  • 37. 37 Control Plane Switch Topology Distribution Statement A: Approved for Public Release
  • 38. 38 Control Plane in SpaceVPX • Reliable, packet-based communication for application control, exploitation data • Typically Gigabit Ethernet for Commercial and SpaceWire for Space Applications VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
  • 39. 39 Utility System Management in SpaceVPX • Low-power • Defined by VITA 46.0 and 46.11 • Prognosticates/diagnoses problems • Can control module power VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots Distribution Statement A: Approved for Public Release
  • 40. 40 Utility Clocks, Reset and Power in SpaceVPX • Power pins and various utility signals • Utility plane provides power, configuration, timing and management input signals using I2C, CMOS and LVDS levels VPX 3 VPX 4 VPX 5 VPX 6 VPX 11 VPX 12 VPX 13 VPX 7 VPX 10 Expan Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Data Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Contrl Plane Expan Plane Expan Plane Expan Plane Data Plane Data Plane Data Plane Contrl Switch Contrl Switch TP Power A and B Switched Utility Plane (includes system management, reference clocks, reset and power) Control Plane (TP) Data Plane (FP) Expansion Plane (DFP) Slot numbers are logical, physical slot numbers may be different Payload slots Payload slots VPX 14 Contrl Plane Expan Plane Data Plane UM 8-9 Controller Selection A and B VPX 2 Expan Plane Data Plane IPMC Data Switch Data Switch IPMC IPMC IPMC IPMC IPMC IPMCIPMC IPMC Contrl Plane VPX 1 Expan Plane Data Plane Contrl Plane IPMC VPX 15 Contrl Plane Expan Plane Data Plane VPX 16 Contrl Plane Expan Plane Data Plane IPMC IPMC TP ChMC ChMC SW Switch& Controller Switch& Controller SpaceUM Slots
  • 41. 41 Example of 6U SpaceVPX Backplane Profile Profile name Mechanical Slot Profiles and Section Channel Gbaud Rate Pitch (in) RTM Conn Payload Switch & Controller Control Plane Data Plane Exp. Plane BKP6-CEN9- 11.2.5-1 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 3.125 3.125 BKP6-CEN9- 11.2.5-2 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 5.0 5.0 BKP6-CEN9- 11.2.5-3 1.2 [VITA 46.10] SLT6-PAY- 4F1Q2T- 10.2.1 SLT6- SWC- 12F16T- 10.4.1 0.4 6.25 6.25 Distribution Statement A: Approved for Public Release
  • 42. 42 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 43. 43 SpaceVPX Concept Development • Three concepts developed • Concept 1 – Redefine an existing OpenVPX connector block as a second Utility/Management plane block (similar to P0/P1) • Incompatible with existing OpenVPX modules • Concept 2 – Extend the existing Open VPX connector by adding a second Utility/Management plane block (P7/P8 similar to P0/P1) • Extends module height from 6U to 6U+TBD • Partially compatible with existing OpenVPX modules • Concept 3 – Add one or more Space Utility/Management (SpaceUM) modules with independent support for each OpenVPX module • The SpaceUM module receives redundant Utility and Management Plane signals through the backplane and selects one set to be forwarded to the OpenVPX module Utility/Management plane signals • Allows use of existing OpenVPX modules in appropriate flight applications Distribution Statement A: Approved for Public Release
  • 44. 44 SpaceVPX Redundancy • Each of the interconnect planes defined by OpenVPX are supported by SpaceVPX as fully cross-strapped single-fault tolerant capable • Control, Data and Expansion plane redundancy is provided using the existing OpenVPX connectivity • Ability to utilize M-of-N payload module redundancy to support either higher reliability or degraded modes of operation • The SpaceVPX Utility and Management plane redundancy is a major departure from OpenVPX • OpenVPX uses single-source, bused power distribution • OpenVPX uses single-source, bused clock, reset and management distribution • Each interconnect plane can be implemented with reduced fault tolerance when desired Distribution Statement A: Approved for Public Release
  • 45. 45 SpaceVPX Fault Tolerance Goal SpaceVPX is to achieve an acceptable level of fault tolerance, while maintaining reasonable compatibility with OpenVPX components, including connector pin assignments. For the purposes of fault tolerance, a module is considered the minimum redundancy element. The Utility Plane, Management Plane, and Control Plane are all distributed redundantly and in star topologies to provide fault tolerance. For Space applications, the major fault tolerance requirements are listed below: • Dual-redundant power distribution (bussed) (Section 3.2.1) where each distribution is supplied from an independent power source. • Dual-redundant management distribution (point-to-point cross-strapped) where each distribution is supplied from an independent management controller to a SpaceUM module that selects between the A and B management controllers for distribution to each of the slots controlled by the SpaceUM module. • Card-level serial management (Section 3.4.3) • Card-level reset control • Card-level power control • Timing/synchronization/clocks, Matched length, low-skew differential (Section 3.4.2) • Fault tolerant Utility Plane selection (bussed) (Section 3.3) • Dual-redundant Data planes (point-to-point cross-strapped) • Dual-Redundant Control planes (point-to-point cross-strapped) (Section 3.2.3) • VITA 78 infrastructure allows for fully managed FRUs and for dumb FRUs Distribution Statement A: Approved for Public Release
  • 46. 46 Space Utility Management • Architecture • Provides single-fault-tolerance with limited increase in SWaP • One SpaceUM module supports eight VPX slots • Scalable to very large units • Maximum of 31 VPX slots and 4 SpaceUM slots • Dual-redundant power distribution • Allows traditional space methods • Dual-redundant management distribution • Traditional capability using improved methods • Accommodates supplier-preferred methods for implementing interoperable products • Topology • Traditional tree-topology is familiar to space suppliers • Flexible command/status interface options allow tailoring to customer needs Distribution Statement A: Approved for Public Release
  • 47. 47 System Management • Leverages the VITA 46.11 industry standard • Limited subset to minimize complexity • Defines an alternative light-weight protocol for less complex systems • Basic functions supported • Individual module power on-off control • Individual module reset control • Individual module status monitoring • Advanced capabilities • Module-level telemetry acquisition • Voltage, temperature, digital state, etc. • Module-level functional control • Sub-function power control, register access, memory access, etc. Distribution Statement A: Approved for Public Release
  • 48. 48 System Controller/Utility Plane Distribution Statement A: Approved for Public Release
  • 49. 49 SpaceVPX Management Distribution Topology System Controller A VPX Slot (ChMC) Select (discrete) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) Management Select System Controller B VPX Slot (ChMC) ManagementFanoutB (IPMC) ManagementFanoutA (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuit VPXSlot (IPMC) SelectCircuitSelectCircuit SYS_RST System Management SYS_RST System Management Controller Select Distribution Statement A: Approved for Public Release
  • 50. 50 Power/Utility Plane Distribution Statement A: Approved for Public Release
  • 51. 51 SpaceVPX Power Distribution Topology Power Supply Power Supply System Controller A VPX Slot (ChMC) Select (discrete) SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot SelectCircuit VPXSlot Power A Power B Power Select Utility Select System Controller B VPX Slot (ChMC) SelectCircuitSelectCircuit VPXSlotVPXSlot SelectCircuitSelectCircuit Distribution Statement A: Approved for Public Release
  • 52. 52 SpaceVPX 6U Power Profiles Key 1 Key 2 Key 3 Module Type Power Feeds (SpaceUM and PSC Only) Both: PF1-PF8, SpaceUM:PF17 Both:PF9-PF16, SpaceUM: PF18 SpaceU M: PF19 SpaceUM: PF20 Power Profile 270 270 Open Switch (3U Power) -- -- -- -- 270 315 Open Payload (3U Power) -- -- -- -- 315 270 Open Switch (6U Std Power) -- -- -- -- 315 315 Open Payload (6U Std Power) -- -- -- -- 90 0 0 SpaceUM 12 12 12 -12 12V 90 0 45 SpaceUM 12 12 3.3 -12 12V_3.3V 90 0 90 SpaceUM 12 12 5 -12 12V_5V 90 0 270 SpaceUM 12 5 3.3 -12 12V_5V_3.3V 90 45 0 SpaceUM 5 5 12 -12 5V_12V 90 45 45 SpaceUM 5 5 3.3 -12 5V_3.3V 90 45 90 SpaceUM 5 5 5 -12 5V 90 45 270 SpaceUM 5 3.3 12 -12 5V_3.3V_12V 90 90 0 SpaceUM 3.3 3.3 12 -12 3.3V_12V 90 90 45 SpaceUM 3.3 3.3 3.3 -12 3.3V 90 90 90 SpaceUM 3.3 3.3 5 -12 3.3V_5V 90 90 270 SpaceUM 3.3 12 5 -12 3.3V_12V_5V 90 270 0 SpaceUM 12 12 12 12 12V_max 90 270 45 SpaceUM 3.3 3.3 3.3 3.3 3.3V_max 90 270 90 SpaceUM 5 5 5 5 5V_max Distribution Statement A: Approved for Public Release
  • 53. 53 SpaceVPX 6U Power Profiles Key 1 Key 2 Key 3 Module Type Power Feeds (SpaceUM and PSC Only) Both: PF1-PF8, SpaceUM: PF17 Both: PF9-PF16, SpaceUM: PF18 SpaceUM: PF19 SpaceUM: PF20 Power Profile 90 270 270 SpaceUM NA NA NA NA 90 315 270 SpaceUM Intermediate Power Intermediate Power Intermediate Power Intermediate Power 0-18VDC 90 315 315 SpaceUM Intermediate Power Intermediate Power Intermediate Power Intermediate Power 18VDC-36VDC 0 0 0 PSC 18-36V Input 12 12 N/A N/A 12V 0 0 45 PSC 18-36V Input 12 12 N/A N/A 12V_n3.3V 0 0 90 PSC 18-36V Input 12 12 N/A N/A 12V_n5V 0 0 270 PSC 18-36V Input 12 5 N/A N/A 12V_5V_n3.3V 0 45 0 PSC 18-36V Input 5 5 N/A N/A 5V_n12V 0 45 45 PSC 18-36V Input 5 5 N/A N/A 5V_n3.3V 0 45 90 PSC 18-36V Input 5 5 N/A N/A 5V 0 45 270 PSC 18-36V Input 5 3.3 N/A N/A 5V_3.3V_n12V 0 90 0 PSC 18-36V Input 3.3 3.3 N/A N/A 3.3V_n12V 0 90 45 PSC 18-36V Input 3.3 3.3 N/A N/A 3.3V Distribution Statement A: Approved for Public Release
  • 54. 54 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 55. 55 Mechanical • General Form Factor – VITA 46 • Conduction Cooled Modules – VITA 48.2 • Updated figures • Screw and tab modules with addition of threaded holes • Separate extraction tool for non-levered modules • Pitch – 0.8”, 1.0”, 1.2” (default) • Multiple pitch cards may be used • 160 mm standard length • 220, 280 and 340 mm allowed • Accommodates larger wedgelock • Connections to PWB ground allowed • Connector – VITA 46, VITA 60 or VITA 63 may be used Strongly leverages existing OpenVPX mechanical infrastructure and standards Distribution Statement A: Approved for Public Release
  • 56. 56 6U SpaceUM Connector • Currently two vendors are designing and building SpaceUM connectors • TE Connectivity • Smith Connectors • Each SpaceUM connects to a maximum number of 8 slots. Distribution Statement A: Approved for Public Release
  • 57. 57 6U and 3U Form Factor Plug-In Unit Dimensions OpenVPX SpaceVPX Distribution Statement A: Approved for Public Release
  • 58. 58 VXS P0 Connector P0 connector supports channels for serial fabrics Distribution Statement A: Approved for Public Release
  • 59. 59 VPX Connector • Same type of connector as used for P0 of VXS • Used along entire edge of board instead of just a single connector VPX Connector for 6U Module Distribution Statement A: Approved for Public Release
  • 60. 60 VPX Cooling Options • OpenVPX references VITA 48 specifications for mechanical and cooling – ANSI/VITA 48.0 Mechanical Specification for Microcomputers Using Ruggedized Enhanced Design Implementation (REDI) – Base specification • Options where cooling air normally comes in contact with electronic components – ANSI/VITA 48.1 Air cooled – widely used • Can handle up to around 200 W per 6U module • Module pitch of .80, 0.85, and 1.00 inches allowed; 1.00 inches is the most common • Options where cooling air normally has no contact with electronic components – ANSI/VITA 48.2 Conduction Cooled – widely used • Limited to around 150 W per 6U module, with air-cooled chassis side walls (higher with liquid cooled walls) • Module pitch of .80, 0.85, and 1.00 inches allowed; 1.00 inches is the most common – ANSI/VITA 48.5 Air Flow Through (AFT) • Can handle up to around 200 W per 6U module • Module pitch of up to 1.52 inches allowed; looks like 1.2 inches is becoming a common pitch – ANSI/VITA 48.7 air flow-by • Can handle up to around 200 W per 6U module • Module pitch of .85, 1.00, 1.10, and 1.20 inches allowed; expect 1.0 to be the most common – VITA 48.4 Liquid Flow Through (LFT) – draft not yet available • Expected to handle up to 300 to 400 W per 6U module Distribution Statement A: Approved for Public Release
  • 61. 61 ANSI/VITA 48.2 Conduction Cooling • Limited to around 150 W per 6U x 160 mm module, with air-cooled side walls – This is not enough for some modules – With liquid cooled chassis sidewalls can handle more • Proven rugged approach with long heritage – Newer approaches tend to handle higher power levels or give lower junction temperature at the same power level • Lower junction temperatures tend to increase the MTBF (Mean Time Between Failure) • Suppliers tend to spec the temperature at the module’s edge (in according with ANSI/VITA 47) – Be aware there will be a drop between the card and the chassis side wall – this can be a performance limiter • The temperature drop from module edge to chassis rail is a significant part of the budget, e.g. 55ºC air at 10,000 ft. to a card edge of 85ºC max = 30ºC budget Primary Cover PWB Diagrams from Mercury Systems presentation given at Sept 2012 VITA Standards meeting Distribution Statement A: Approved for Public Release
  • 62. 62 VITA Connector Options • 3 VITA standard connectors as candidates (TE Connectivity, Amphenol, and Smith Connectors). • A fourth candidate is under development (IEH Corp.); however, the product is nascent. • The SpaceVPX (VITA 78) did not make a connector recommendation. • Insufficient information largely the reason for a “No Go” on a recommendation. • For additional info see VPX connector reports – Available at: http://www.vita.com/VPX_Reports Distribution Statement A: Approved for Public Release
  • 63. 63 Plug-in Module Vibration Response • In addition micro-motion of Plug-In module being a potential cause of connector fretting wear/corrosion, backplane micro-motion can also be an issue. 1st Mode Shape Daughtercard connectorDaughtercard PWB (no vibration) Backplane PWB Backplane connector Direction of applied vibration (Z-axis of daughtercard) Direction of applied vibration (Z-axis of daughtercard) Possible fretting wear/corrosion of contacts due to micromotion Most of the slide content is from a Curtiss-Wright presentation given at Nov 2012 VITA Standards meeting Distribution Statement A: Approved for Public Release
  • 64. 64 Fretting Corrosion with Original RT2 Connector Resulting From Torturous Vibration Testing • Fretting corrosion is contact wear due to motion of backplane with respect to Plug-In Module • Fretting can be an issue for systems operating in high vibration environments • Fretting can be exacerbated by a poor design and/or poor fabrication • Pictures show wafers from RT2 connectors, Plug-In Module side, subjected to torturous vibration testing • Mercury and TE have developed the RT2-R connector to reduce the susceptibility to vibration • RT2 contacts wore through Gold, Nickel, & Copper pads on wafer (Plug-In Module side) • Believe two rows of holes as opposed to one because board was unplugged and plugged part way through testing (and did not seat in exactly the same place) or board moved during testing. Pictures from Mercury Systems presentation given at Sept 2012 VITA Standards meeting and courtesy of TE Connectivity Connector wafer Distribution Statement A: Approved for Public Release
  • 65. 65 RT2-R Enhanced Contact Design (Backplane Side) • RT2-R is more rugged than RT2 – Changes made to both backplane and Plug-In Module sides – Backplane side pins changed from 2 points of contact to 4 • RT2 and RT2-R inter-mate and PWB footprints are the same MULTIGIG RT2 2 Contact Points MULTIGIG RT2-R 4 Contact Points Pictures courtesy of TE Connectivity Distribution Statement A: Approved for Public Release
  • 66. 66 RT2-R Enhancement Extended Pads (Plug-In Module Side) Plug-In Module wafer Ground pad RT 2 RT 2-R (Extended pads) • RT 2 and RT 2-R VPX Plug-In Module wafers are plated with .000050” min gold over nickel. – Note: TE Connectivity uses the term “Daughter card” to refer to what VITA 65 refers to as a “Plug-In Module” • RT 2-R signal pads extended 1.20mm to maintain at least 2 mm contact wipe with all 4 contact points. • RT 2 Plug-In Module connectors can be used with RT 2-R backplane connectors and maintain 4 point redundancy if connectors are within 0.5 mm of being fully mated in application. Pictures courtesy of TE Connectivity 22.31 mm (0.878”) Distribution Statement A: Approved for Public Release
  • 67. 67 Minimizing Fretting Requires Attention to More Than Just Connectors • Movement of Plug-In Module with respect to backplane must be minimized – Consider stiffness of backplane – backplane bowing can be an issue – Pay close attention to all mechanical aspects of Plug-In module, backplane and chassis that can affect motion of Plug-In Module connectors with respect to backplane connectors • TE has “Ruggedized” guide hardware – machined hardware as opposed to die cast – Stainless steel guide pin – Aluminum (6061) guide socket (9.0 mm wide, 0.354”) • Ni plated • With optional ESD contact Guide Module Assembly Shown w/ optional ESD contact (2000713-X)Pictures courtesy of TE Connectivity Distribution Statement A: Approved for Public Release
  • 68. OpenVPX Tutorial-68 20 Jan. 2016 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Minimizing Fretting Requires Attention to More Than Just Connectors • Movement of Plug-In Module with respect to backplane must be minimized – Consider stiffness of backplane – backplane bowing can be an issue – Pay close attention to all mechanical aspects of Plug-In module, backplane and chassis that can affect motion of Plug-In Module connectors with respect to backplane connectors • TE has “Ruggedized” guide hardware – machined hardware as opposed to die cast – Stainless steel guide pin – Aluminum (6061) guide socket (9.0 mm wide, 0.354”) • Ni plated • With optional ESD contact Guide Module Assembly Shown w/ optional ESD contact (2000713-X)Pictures courtesy of TE Connectivity Links: VXS P0, Pin Numbering, RTM, Slot Profiles, Connector, Contacts, RT2-R Wafer
  • 69. 69 Outline • What is SpaceVPX? • SpaceVPX Use Cases and Topologies • SpaceVPX Slot Profiles • SpaceVPX Backplane Profile • SpaceUM - Provisions for Redundancy and Fault Tolerance • SpaceVPX Mechanical General Specifications • Backup Distribution Statement A: Approved for Public Release
  • 70. 70 Distribution A. Approved for public release: distribution unlimited Questions?

Editor's Notes

  • #3: Presenter: Do not speak to agenda.
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  • #14: A. Data enters the system through a Data In Module. The next four letters represent potential data transfers between the main payload functions within a SpaceVPX system. B. Data from the Data in Module can be transmitted to the Processing Module. Processed data from the Processing Module can be stored in the Storage Module. Data from the Storage Module can be routed to the Data Out Module. C. The Processor Module can access data from the Storage Module D. Data from the Data In Module can be routed directly to the Storage Module. Data from the Processing Module can be routed directly to the Data Out Module. E. Data from the Data In Module can be routed directly to the Data Out Module. F. Data routed to the Data Out Module can then be transmitted out of the system. G. For fault tolerance, there will be at least one spare of each function. These redundant payloads will have the same data routing as the primary payloads so that no error will reduce capabilities. Though not shown, more than one of each function type may be present and M of N sparing (minimum 1 of 2) may be implemented for any payload type. H. There will also be redundant external inputs and outputs to and from the SpaceVPX system. These are typically cross-strapped between redundant elements. I. Finally, there will be typically be cross-strapping between the primary and redundant payload groups so that any one payload can fail and the remaining payloads can operate with sufficient interconnects for any combination of primary and redundant elements.
  • #15: A. The primary Data Switch Module has a connection to every primary and redundant Payload Module. The Data Switch allows multiple simultaneous connections. B. The redundant Data Switch Module has a connection to every primary and redundant Payload Module
  • #16: Presenter: Do not speak to agenda.
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  • #27: The slot (SLT6-PAY-4F1Q2T-10.2.1) profile listed above provides flexibility depending upon the implementation sought. The functions provided in the Expansion Plane Use Case, with some pieces of it shown on this slide are accommodated by this slot profile. It is possible to have the slot profile provide these functions: The slot profile could provide Data-In and Data-Out functionality The slot profile could provide Data-In and Processing functionality The slot profile could provide Data-In, Processing, and Storage functionality This means that on slot profile could provide multiple functions as shown above.
  • #28: The slot (SLT6-PAY-4F1Q2T-10.2.1) profile listed above provides flexibility depending upon the implementation sought. The functions provided in the Expansion Plane Use Case, with some pieces of it shown on this slide are accommodated by this slot profile. It is possible to have the slot profile provide these functions: The slot profile could provide Data-In and Data-Out functionality The slot profile could provide Data-In and Processing functionality The slot profile could provide Data-In, Processing, and Storage functionality This means that on slot profile could provide multiple functions as shown above.
  • #30: This slot profile (SLT6-CON-4F16T-10.6.1) should accommodate some level of flexibility that allows for the combining multiple functions on a single board – as shown above. Then it is possible to provide: A single slot that is capable of Data-In, Control Switch, Controller functionality A single slot that is capable of Data-In, Processing, Control Switch, Controller functionality So depending upon the implementation need, you are able to provide multiple functions on a single board. This reduces the card count and the size of the box.
  • #31: This slot profile (SLT6-CON-16T-10.6.2) should accommodate some level of flexibility that allows for the combining multiple functions on a single board – as shown above. Then it is possible to provide: A single slot that is capable of Processing, Control Switch, Controller functionality A single slot that is capable of Storage, Processing, Control Switch, Controller functionality So depending upon the implementation need, you are able to provide multiple functions on a single board. This reduces the card count and the size of the box.
  • #32: This slot profile (SLT6-SWC-12F16T-10.4.1) should accommodate some level of flexibility that allows for the combining multiple functions on a single board – as shown above. Then it is possible to provide: A single slot that is capable of Controller and Data Switch functionality A single slot that is capable of Control Switch ad Data Switch functionality A single slot that is capable of Controller, Control Switch, and Data Switch functionality So depending upon the implementation need, you are able to provide multiple functions on a single board. This reduces the card count and the size of the box.
  • #33: Presenter: Do not speak to agenda.
  • #34: A. The primary Data Switch Module has a connection to every primary and redundant Payload Module. The Data Switch allows multiple simultaneous connections. B. The redundant Data Switch Module has a connection to every primary and redundant Payload Module
  • #36: A. The Data In Module has a direct data plane connection to every other Payload module. B. The Processing Module has a direct data plane connection to every other Payload module. C. Similar connections are provided between all other Payload modules. Data can be transferred simultaneously on all links.
  • #38: A. The Data In Module has a direct data plane connection to every other Payload module. B. The Processing Module has a direct data plane connection to every other Payload module. C. Similar connections are provided between all other Payload modules. Data can be transferred simultaneously on all links.
  • #43: Presenter: Do not speak to agenda.
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