Huawei umts node b configuration principle
- 1. HUAWEITECHNOLOGIES CO., LTD. www.huawei.com Huawei Confidential Security Level:12/22/16 Huawei UMTS NodeB Configuration Principle
- 2. Contents • NodeB Introduction Main Equipments Auxiliary Facilities • NodeB Configuration Macro NodeB Configuration Distributed NodeB Configuration
- 3. HUAWEITECHNOLOGIES CO., LTD. Page 3Huawei Confidential Huawei NodeB Family for Various Scenarios BTS3812E Macro IndoorNodeB Radio Remote Unit Base Band Unit BTS3812AE Macro OutdoorNodeB BBU3806/BBU3806C + RRU3801C Distributed NodeB Suburban Blind spots or hot spots Urban Urban, Difficult site acquisitionUrban Designed foryoursitesDesigned foryoursites BTS3803C Mini NodeB RHUB BBU iDBS3800 Indoor Distributed NodeB Pico RRU Deep indoor Pico Node B/Home AP SOHO CAT5/6
- 4. HUAWEITECHNOLOGIES CO., LTD. Page 4Huawei Confidential Macro Indoor NodeB: BTS3812E 12 cells; 4 Carriers/Sector; 1024CE(UL)&1536CE(DL) Receiver Sensitivity: -128dBm; TOC: 40W; TD and 4 RD 15HSDPA Code/Cell, 14.4Mbps RRU remote networking (Star/Link/Ring) through CPRI interface RF module supports 2 carriers, no hardware change for 2 carriers expansion 32 E1/T1 and 6 FE based on different interface boards Dimension: 1400*600*600 mm Weight: 162Kg (S222); 160Kg(S111) Power Supply: -48V Power Consumption: 0.75 KW (S222) 0.59 KW (S111)
- 5. HUAWEITECHNOLOGIES CO., LTD. Page 5Huawei Confidential Macro Outdoor NodeB: BTS3812A Dimension: 1700*920*900 mm Weight (no battery): 350Kg (S222) 345Kg (S111) Power Supply: 220VAC,110VAC Power Consumption:0.95KW (S3x1) 1.1KW (S3x2) Outdoor NodeB based on the BTS3812E Outdoor protection design temperature: -40 to +45℃ ℃ lightening protection for all external interfaces cabinet complies with the IP55 standard Highly integrated all-in-one design 6Uspace for transmission equipments 50Ah internal battery and external battery cabinet
- 6. HUAWEITECHNOLOGIES CO., LTD. Page 6Huawei Confidential Macro Outdoor NodeB: BTS3812AEBTS3812AE Dimension:1700*1000 * 880mm(H*W*D) Weight: max 450Kg ( S3*4) Power Supply: 220VAC ,110VAC Power Consumption: max1200W ( S3*1) / max2450W (S3*4) Same baseband and RF performance same as BTS3812ESame baseband and RF performance same as BTS3812E Outdoorprotection designOutdoorprotection design Working temperature range: -40℃~+45℃ Special lightning protection design can avoid damaging all the external interfaces Dedicated outdoor cabinets conform to IP55 standard Special technologies against theft Integrated DesignIntegrated Design Inside microwave or SDH transmission equipments Inside battery or outside battery cabinet continuing power supply after power down Perfect AlarmMechanismPerfect AlarmMechanism Smoke alarm, temperature alarm, etc.
- 7. HUAWEITECHNOLOGIES CO., LTD. Page 7Huawei Confidential Outdoor Macro NodeBOutdoor Macro NodeB Some differences between BTS3812A and BTS3812AE in spite of almost entirely same specificationsSome differences between BTS3812A and BTS3812AE in spite of almost entirely same specifications BTS3812AE BTS3812A Dimension ( H*W*D ） 1700x 1000 x 880mm 1700x 900 x920mm Weight 250Kg with no front door/350Kg 210Kg with no front door / 300Kg Space for transport equipments 7U (only 2U space with 200Ahstorage battery) 6U Inside battery 50Ah/100Ah/150Ah/200Aho ptional 50Ah Noise 66dBA 75dBA
- 8. HUAWEITECHNOLOGIES CO., LTD. Page 8Huawei Confidential Distributed NodeB: DBS3800 Indoor base band unit: BBU3806 Outdoor base band unit: BBU3806C Remote radio unit: RRU3801C Outdoor Micro NodeB: BTS3803C Be consisted of 1 BBU3806C and 3 个 RRU3801C in 2 small-size cabinets Supporting S1, S11, S2 and S111
- 9. HUAWEITECHNOLOGIES CO., LTD. Page 9Huawei Confidential Distributed NodeB: DBS3800 BBU3806 Capacity: Each BBU supporting UL192 CE, DL256CE Supporting BBU inter-connection for 3x4 Supporting 8 E1/T1 and 2 FE for Iub interface Receiver Sensitivity: -129dBm Each RRU supporting 2 carriers TOC: 20W, 40W Full HSDPA capability BBU3806C/RRU3801C Dimension:42*436*300mm Weight: <5Kg Power Consumption: 60W Power Supply: -48VDC,+24VDC Dimension:565*390*165mm (RRU3801C with case) 610*380*165mm (BBU3806C with case) Weight: <20Kg Power Consumption: 120W(BBU3806C) 240W(40W RRU3801C) Power Supply: -48VDC,220VAC
- 10. HUAWEITECHNOLOGIES CO., LTD. Page 10Huawei Confidential Outdoor Micro NodeB: BTS3803C BTS3801C Weight: 35kg (1BBU3806C+1RRU3801C) 80kg (1BBU3806C+ 3RRU3801C) Capacity: UL 192 CE, DL 256CE Power Supply: 220VAC, -48VDC Power Consumption: 730W (3RRU, TOC: 20W) TOC: 20W/40W Iub Interface: 8 E1/T1, 2 FE Temperature: -33 to +50℃ Protection Standard: IP65 BTS3803C
- 11. HUAWEITECHNOLOGIES CO., LTD. Page 11Huawei Confidential Indoor Distributed NodeB: iDBS3800 BBU3806 Indoor Distributed NodeB Dimension:42×436×300mmDimension:42×436×300mm Weight: 5KgWeight: 5Kg Power Supply: -48VDC /24VDCPower Supply: -48VDC /24VDC Power Consumption: 60WPower Consumption: 60W RHUB3808 Dimension:42*436 * 300mm(H*W*D)Dimension:42*436 * 300mm(H*W*D) Weight: Max 5KgWeight: Max 5Kg Power Supply: 110VAC / 220VACPower Supply: 110VAC / 220VAC Power Consumption: 60WPower Consumption: 60W Pico RRU3801 Dimension:52*344*224 mmDimension:52*344*224 mm (H*W*D)(H*W*D) Weight: Max 3KgWeight: Max 3Kg Power Supply: -48VDC / 220VACPower Supply: -48VDC / 220VAC Power Consumption: 30WPower Consumption: 30W RF output power:RF output power: 250/30 mw250/30 mw Fiber CAT5/6 Ethernet Cable optical signal RHUB RHUB ANT256 ANT1 pRRU1 pRRU64 ANT4 Ethernet cable ……. ……. ANT253 BBU
- 12. Contents • NodeB Introduction Main Equipments Auxiliary Facilities • NodeB Configuration Macro NodeB Configuration Distributed NodeB Configuration
- 13. HUAWEITECHNOLOGIES CO., LTD. Page 13Huawei Confidential APM100: Advanced Power Module Outdoor power backup system for DBS3800 BBU space ALL-in-one design Power distribution Lightning protection Transmission equipment installation DC power backup APM100 Power backup: 100Ah, 4.6hour (1BBU+3RRU) Dimension: 1130×600×600 mm (H*W*D) Weight: ≤300kg (Including 100Ah battery) 220VAC Input, -48V/60A (3PSU) Temperature: -40~+45 ℃ IP55 standard User space: 4U
- 14. HUAWEITECHNOLOGIES CO., LTD. Page 14Huawei Confidential AFB: Auxiliary Facility Box ALL-in-one design Power distribution Lightning protection Transmission equipment installation BBU installation No power backup function AFB Dimension: 600 x720 x 400 x 600 mm Weight: 48kg 220VAC Input 4-way 220VAC Output, 4-way -48VDC Output Temperature: -40~+45 ℃ IP55 Standard User Space: 5U Lightening Protection: : Imax （ 8/20us ） 60KA
- 15. HUAWEITECHNOLOGIES CO., LTD. Page 15Huawei Confidential SPD Only supply power distribution and lightening protection function No user space and power backup Dimension: 450 x140 x 320 mm Weight: 12kg 220VAC Input and Output Temperature: -40~+55 ℃ IP55 Standard Lightening Protection: Imax （ 8/20us ） 60KA
- 16. Contents • NodeB Introduction Main Equipments Auxiliary Facilities • NodeB Configuration Macro NodeB Configuration Distributed NodeB Configuration
- 17. HUAWEITECHNOLOGIES CO., LTD. Page 17Huawei Confidential Configuration of BTS3812E NFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P Board Description Configuration Principle HBBI HBOI HSDPA supported baseband processing and optical interface unit UL 128 CEs, 3 Cells DL 256 CEs, 3 Cells Max: 2PCS HULP HSDPA Supported Uplink Process Unit UL 128 CEs, 3 Cells Optional, Max: 6PCS HDLP HSDPA Supported Downlink Process Unit DL 512 CEs, 6 Cells Optional, Max:2PCS NMPT NodeB Main Processing and Time Unit 1-2PCS NDTI NodeB Digital Trunk Interface Unit 8 E1/T1; 1-2PCS NUTI NodeB Universal Transport Interface Unit 8 E1/T1, 2 FE; 1-2PCS NMON NodeB Monitor Unit Optional, 1PCS MTRU MAFU RF Subsystem Num. of MAFU= Num. of MTRU Support 1 Sector and 2 Carriers N D T I N D T I N D T I
- 18. HUAWEITECHNOLOGIES CO., LTD. Page 18Huawei Confidential BTS3812E: MTRU/MAFU MAFU: NodeB Multi- carrier Antenna Filter Unit 2 way receive and 1 way transmit 2 carriers in each way MTRU: Multi-carrier Transceiver Unit 2 carriers Number of MTRU ＝ Number of MAFU NFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I PA TRX Rx Rx Tx Splitter Duplexer
- 19. HUAWEITECHNOLOGIES CO., LTD. Page 19Huawei Confidential BTS3812E: HBBI/HBOI HBBI UL/DL baseband processing and interface processing board HSDPA processing Max.: 2PCS HBOI Processing capability same as HBBI 3 optical interface for RRU Max.: 2PCS NFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I RxD HSDPA Cell UL CE DL CE 2-way 3cell x15 3 128 256 4-way 3cell x15 3 64 256 Baseband Processing Capability
- 20. HUAWEITECHNOLOGIES CO., LTD. Page 20Huawei Confidential BTS3812E: HULP HULP UL baseband processing board Resource pool, 0-6PCS Configure when UL processing requirement is not met by HBBINFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I Baseband Processing Capability RxD Cell UL CE 2-way 3 128 4-way 3 64
- 21. HUAWEITECHNOLOGIES CO., LTD. Page 21Huawei Confidential BTS3812E: HDLP HDLP DL baseband processing board HSDPA DL processing Resource pool, 0-2PCS Configure when DL processing requirement is not met by HBBINFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I Baseband Processing Capability HSDPA Cell DL CE 6Cell×15 6 512
- 22. HUAWEITECHNOLOGIES CO., LTD. Page 22Huawei Confidential BTS3812E: NMPT and NMON NMPT Manage NodeB and supply system clock GPS or not 1-2PCS NFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I NMON Support RET Support on-off alarm interface (32 input and 7 output) 0-1PCS
- 23. HUAWEITECHNOLOGIES CO., LTD. Page 23Huawei Confidential BTS3812E: NDTI and NUTI Iub interface board, 1-2PCS NDTI 8 E1/T1 NUTI 8 E1/TI and 2 FE Sub-board for expanding interface NFAN Wiring and Air inlet Wiring b u s b a r MTRU MTRU MTRU MTRU MTRU MTRU MAFU MAFU MAFU MAFU MAFU MAFU N M O N H D L P H D L P N M P T N M P T H B B I H B B I H B O I H U L P H U L P H U L P H U L P H U L P H U L P N D T I N D T I N D T I Iub Interface Capability E1/T1 FE STM-1 NDTI 8 - - NUTI 8 2 - NUTI (with E1 sub-board) 16 2 - NUTI (with STM-1 sub- board) 8 2 2
- 24. HUAWEITECHNOLOGIES CO., LTD. Page 24Huawei Confidential Configuration of BTS3812A Main Equipment The same as BTS3812E Back Power • Typical back time: 1.7h • Support external power cabinets Description Configuration PSU NodeB Power Supply Unit N+1 PMU NodeB Power and Environment Monitoring unit 1 Transmission Lightning Protection AC power Distribution Lightning Protection Filter 50Ah Battery Inlets/Outlets of Cable PSU PSU PSU PSU PSUPSUPSUPMU Battery Cable Space Wiring and Air Inlet FAN M A F U M A F U M A F U M A F U M A F U M A F U M T R U M T R U M T R U M T R U M T R U M T R U H B B I H B B I N M O N N D T I N D T I N M P T N M P T H D L P H D L P H U L P H U L P H U L P H U L P H U L P H U L P N C C U Inlets/Outlets of RF Cable Transmission Equipment Space
- 25. HUAWEITECHNOLOGIES CO., LTD. Page 25Huawei Confidential Configuration of BTS3812AE Main Equipment The same as BTS3812E Back Power • Built-in batteries:50 Ah, 100Ah, 150AH or 200AH • BAT3 also can house transmission equipment • Support external power cabinets
- 26. HUAWEITECHNOLOGIES CO., LTD. Page 26Huawei Confidential Macro NodeB Typical Configuration 3x1: UL128/DL256 3x2: UL256/DL512 NBBI MAFU NFAN wireholder wireholder MAFU MAFU MAFU MAFUMAFU MTRU MTRU MTRU MTRU MTRUMTRU N D T I N M P T H D L P H U L P H B B I H B B I NBBI MAFU NFAN wireholder wireholder MAFU MAFU MTRU MTRU MTRU N D T I N M P T H B B I H B B I NBBI MAFU NFAN wireholder wireholder MAFU MAFU MTRU MTRU MTRU N D T I N M P T H B B I 3x4: UL384/DL1024
- 27. HUAWEITECHNOLOGIES CO., LTD. Page 27Huawei Confidential Macro NodeB: RF Unit Connection 1 Carrier 2 Carriers 4 Carriers PA TRX Rx:f1 S D Rx: f1 Tx: f1 A N T PA TRX Rx:f1,f2 S D Rx: f1,f2 Tx: f1,f2 A N T PA TRX S D A N T PA TRX S D Rx: f1,f2,f3,f4 Tx: f1,f2 Rx: f1,f2,f3,f4 Tx: f3,f4 RF unit and ANT no change Add RF units Change cable connection ANT no change From 1 to 2 From 2 to 4 MAFU MTRU
- 28. Contents • NodeB Introduction Main Equipments Auxiliary Facilities • NodeB Configuration Macro NodeB Configuration Distributed NodeB Configuration
- 29. HUAWEITECHNOLOGIES CO., LTD. Page 29Huawei Confidential Distributed NodeB Expansion BBUs support inter-connection and work as one NodeB logicallyS111 S222 S444 4BBUs and 2RRU server as one S4 (Not recommend)
- 30. HUAWEITECHNOLOGIES CO., LTD. Page 30Huawei Confidential RRU Expansion One RRU supports 2 Carriers 40W PA for 20W/carrier 1 Carrier f1: Rxm/Tx f1: Rxs 2 Carriers f1/f2: Rxm/Tx f1/f2: Rxs 4 Carriers f1/f2:Rxm/Tx f3~f4:Rxs f1/f2: Rxs f3/f4: Rxs f3/f4:Rxm/Tx f1/f2:Rxs RRU supplies interconnection 2 RRU supports 4 Carriers
- 31. HUAWEITECHNOLOGIES CO., LTD. Page 31Huawei Confidential RRU Sector Num. Carrier/Sector Tx Diversity Type RRU Num. 1 1 or 2 No Tx diversity 1 Tx diversity 2 2 1 or 2 No Tx diversity 2 Tx diversity 4 3 1 or 2 No Tx diversity 3 Tx diversity 6
- 32. HUAWEITECHNOLOGIES CO., LTD. Page 32Huawei Confidential Distributed NodeB Typical Configuration -----Supply Backup Power and BBU Space AMP for Backup Power and BBU3806 space Support 3×1 or 3×2 Transmission cable AC Power Power cable and fiber -48V DC RRU3801C APM100 BBU3806
- 33. HUAWEITECHNOLOGIES CO., LTD. Page 33Huawei Confidential Distributed NodeB Typical Configuration -----Supply BBU Space but No Backup Power AFB for BBU3806 space but no backup power Support 3×1 or 3×2 Transmission cable AC Power Power cable and fiber 220V AC RRU3801C AFB BBU3806
- 34. HUAWEITECHNOLOGIES CO., LTD. Page 34Huawei Confidential Distributed NodeB Typical Configuration Vendor supply the BBU3806 space, such as 2G Cabinet RRU no backup power requirement Support 3×1 or 3×2
- 35. HUAWEITECHNOLOGIES CO., LTD. Page 35Huawei Confidential Indoor Distributed NodeB Configuration Pico RRU RHUB BBU RRU Case 3 ： Optical fiber Pico RRU ＋ Cat5/6 Pico RRU BBU RHUB RRU P RRU P RRU P RRU P RRU Cat5/6 Optical FiberOptical Fiber Case1 ： Optical fiber Pico RRU BBU P RRU P RRU Case 2 ： Optical fiber RHUB ＋ Cat5/6 Pico RRU Optical Fiber Cat5/6 BBU RHUB P RRUP RRU
- 36. HUAWEITECHNOLOGIES CO., LTD. Page 36Huawei Confidential Indoor Distributed NodeB Configuration Ethernet BBU p RRU p RRU p RRU p RRU p RRU p RRU RHUB RHUB RHUB RHUB RHUB RHUB RHUB RHUB Up to 3 optical I/F per BBU Up to 8 RHUB per optical port in BBU Up to 8 Pico RRU per RHUB Connected with Ethernet Fiber A single iDBS3800 can support a maximumof:2 BBU, 24 RHUBs, 192 pRRUs
- 38. HUAWEITECHNOLOGIES CO., LTD. Page 38Huawei Confidential Macro NodeB: RF Unit Configuration Configuration Tx Diversity Type TOC (W/carrier) MTRU Number 1×1 No Tx diversity 40 1 Tx diversity 80 2 1×2 No Tx diversity 20 1 40 2 Tx diversity 40 2 2×1 No Tx diversity 40 2 Tx diversity 80 4 3×1 No Tx diversity 40 3 Tx diversity 80 6 3×2 No Tx diversity 20 3 40 6 Tx diversity 40 6 6×1 No Tx diversity 40 6 6×2 No Tx diversity 20 6
Editor's Notes
- #9: BBU3806 采用1U高19英寸宽机箱，可安装在19英寸标准的机柜中。 占用空间小、易于安装、功能全面、功耗低的特点，易于与现有站点共存，且支持堆叠方式扩容。 BBU3806C 可以直接安装在室外金属桅杆或墙面上。 RRU3801C 可以直接安装在天线所在的金属桅杆或附件墙面上 BTS3803C 可以直接安装在天线所在的金属桅杆或附近墙面上 体积小、重量轻、安装简单方便的特点
- #10: You can mount the BBU3806 in any standard cabinet with free space that is 19 inches wide and 1U high. You can also install the BBU3806 inside the outdoor GSM BTS, or put it into the Huawei AFB or the APM. The BBU3806 supports 3 x 1 configuration (3Cell). The baseband board supports 192 CE and 256 CE in the DL. Support up to 4 BBU3806 working together. In this way, support 3 x 4 or 6 x 2 configuration Support 8 pairs E1 and 2 pairs FE Support 3 optical ports for CPRI interface The BBU3806 has four types according to the power supply modes and GPS requirement +24 V BBU3806 with GPS –48 V BBU3806 with GPS +24 V BBU3806 without GPS –48 V BBU3806 without GPS The BBU3806C is an outdoor baseband processing unit. The BBU3806C only supports 3 x 1 configuration (3 cell). The baseband board supports 192 CE in the UL and 256 CE in the DL. Support 8 pairs E1 and 2 pairs FE for Iub interface Support 3 optical ports for CPRI interface The BBU3806C supports AC 220 V and DC -48V power supply. The GPS module may be configured as required. Each RRU module supports two carriers RRU has two CPRI interfaces, using the pluggable optical transceiver to support single mode or multiple mode fiber Power Supply: 220V AC and -48VDC TOC: 20W or 40W
- #11: BBU3806C(1PSC)+RRU3801C(1PSC)+Cabinet Support 1 sector with 1 or 2 carrier (S1 or S2) Power Supply: 220V AC and -48VDC TOC: 20W or 40W BBU3806C(1PSC)+RRU3801C(3PCS)+Cabinet Support 3 sector with 2 carriers (S111) Power Supply: 220V AC and -48VDC TOC: 20W or 40W
- #14: Power distribution Lightning protection Transmission equipment installation DC power backup
- #15: 交流输出：4路，10A，总电流不超过20A 直流输出：4路，最大功耗250W
- #18: HBBI/HBOI/HULP/HDLP: Resource pool NMPT: 2PCS for 1+1 backup NMON: For RET Control or Alarm interface
- #20: HBBI 负责射频框与基带框间的接口功能 同时具有上下行基带处理功能 支持HSDPA处理功能 最多配置2块 HBOI 基带处理能力完全与HBBI相同 HBOI光接口最多支持8RRU小区拉远 最多配置2块 The internal processing capability of HBOI is almost the same as that of HBBI, and the difference is the external interface. In the macro cell base station, HBBI is specially used for the interconnection between the electrical interfaces of the baseband and MTRU, while HBOI is used for the interconnection between the optical interfaces of the baseband and RRU.
- #27: 基带框各单板根据需求增加配置
- #30: BBU支持互联，多个BBU逻辑上是一个基站，基带资源资源池共享
- #31: Interconnect jumper connects to the RX_IN/OUT port 1个RRU可支持2载波，40W的功放输出保证每载波20W输出，扩容方便 RRU提供互连接口，2个RRU可支持4载波
- #32: For the transmit diversity mode, The number of RRU will be doubled.
- #33: TOC: 20W/carrier or 40W/carrier (3×1); 20W/carrier(3×2) 1 or 2PSC BBU3806 is installed in the APM; 3PSC RRU3801Cs are mounted on the pole or wall; The APM provides 100Ah battery, the space for BBU and transmission equipment and DC power output The typical time of backup power is 4 hour for 3×1 configuration(20W) The BBU and RRU are connected each other through the optical fibers leading to the star topology using 6PCS optical modules (3×1) or 12PCS optical modules (3×2)
- #34: TOC: 20W/carrier or 40W/carrier (3×1); 20W/carrier(3×2) 1 or 2PSC BBU3806 is installed in the AFB. 3PSC RRU3801Cs are mounted on the pole or wall The AFB provides the space for BBU and transmission equipment, and DC power for BBU and AC power for RRU The BBU and RRU are connected each other through the optical fibers leading to the star topology using 6PCS optical modules (3×1) or 12PCS optical modules (3×2)
- #35: BBU3806 is installed in the equipment with enough space. Select the power supply as the equipment room provides. For example, select the –48 V BBU3806 from the Nokia, Siemens, Alcatel, Nortel outdoor cabinets; select +24 V BBU3806 from the Ericsson and Motorola outdoor cabinets. You may choose the RRU3801C with power supply voltage at 220 V. When the three RRUs are installed on the same pole, use an outdoor AC SPD for surge protection of the three RRUs. The space between the RRU and the SPD40R can not be larger than 5 m.