Data sheet en_us_1893651851
- 1. Communications Systems | LBB 1956/00 Plena Voice Alarm Call Station LBB 1956/00 Plena Voice Alarm Call Station ▶ Stylish six-zone call station for the Plena Voice Alarm System ▶ Six zone selection keys, all-call key and momentary PTT-key for calls ▶ Selectable gain, speech filter, limiter, and output level for improved intelligibility ▶ LED indications for zone selection, fault, and emergency state ▶ Call station extension provides seven additional zone and zone group keys ▶ EN 54‑16 and EN 60849 compliant The Plena call station is a stylish, high-quality call station DIP switches at the base of the call station select with a stable metal base design, a flexible microphone different microphone gain levels, the call station ID, and stem and a unidirectional condenser microphone. It can the speech filter. A service accessible rotary control make calls to selected zones (one to six and all-call) in a provides microphone level attenuation. LEDs on the call public address system built with the Plena Voice Alarm station show which zones have been selected. Three System. In addition to tabletop use, the special design additional LEDs give visible feedback on the active state allows it to be neatly flush-mounted in desktops. The of the microphone and the system. Green flashing means Plena Voice Alarm Keypad (LBB 1957/00) is an extension standby (chime is sounding). Green indicates microphone adding seven additional keys. active. Amber indicates that the system has detected a fault (IEC 80649), and red indicates that the system is in the emergency state. Functions Controls and indicators Each call station supports six zone selections. The number • Four status LEDs of selectable zones or zone groups can be increased by • PTT-key connecting call station keypads (LBB 1957/00). Up to • PTT status LED • Six zone selection keys eight keypads can be added with each keypad adding • Six zone selection LEDs seven zone or zone-group keys. • All-call key This call station features selectable gain, a selectable • Eight DIP switches • Rotary volume control speech filter, and a limiter for improved intelligibility. The Interconnections call station has a balanced line level output, making it possible to position it up to 1000 meters from the • Two RJ45 jacks • 24 VDC input controller, using CAT-5 extension cables. With shielded • Keypad connector cable, the call station can also be used in an EMC level 5 (heavy industry) environment. www.boschsecurity.com
- 2. 2 | LBB 1956/00 Plena Voice Alarm Call Station Certifications and Approvals Mechanical Base dimensions 40 x 100 x 235 mm Region Certification (1.57 x 3.97 x 9.25 in) Europe CE Declaration of Conformity Weight Approx. 1 kg Mounting Standalone Safety acc. to EN 60065 Color Charcoal with silver Immunity acc. to EN 55103-2 Stem length with mic 390 mm (15.35 in) Emission acc. to EN 55103-1 Cable length 5 m (16.4 ft) Emergency acc. to EN 54‑16 / EN 60849 Environmental Operating temperature -10 ºC to +45 ºC (14 ºF to +113 ºF) Parts Included Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF) Quantity Components Relative humidity <95% 1 LBB 1956/00 Plena Voice Alarm Call Station 1 Cable terminated with a lockable CAT-5 connector Ordering Information LBB 1956/00 Plena Voice Alarm Call LBB1956/00 Station Technical Specifications metal base design, a flexible microphone Electrical stem and a unidirectional condenser micro- phone. It can make calls to selected zones Power Supply (one to six and all-call) Voltage range 24 VDC supplied by LBB 1990/00 (or 18 to 24 VDC or VAC external power supply) Current consumption <30 mA (plus <15 mA per keypad) Performance Nominal sensitivity 85 dB SPL (gain preset 0 dB) Nominal output level 700 mV Input sound level (max) 110 dB SPL Gain preset +6 / 0 / -15 dB Limiter threshold 2V Compression ratio limiter 1:20 Distortion <0.6% (maximum input) Input noise level (equiv.) 25 dB SPLA Frequency response 100 Hz to 16 kHz Speech filter -3dB at 315 Hz, high-pass, 6 dB/oct Output impedance 200 ohm Selections Chimes Any wave file Priorities 7 Americas: Europe, Middle East, Africa: Asia-Pacific: Represented by Bosch Communications Systems Bosch Security Systems B.V. Robert Bosch (SEA) Pte Ltd 12000 Portland Avenue South P.O. Box 80002 11 Bishan Street 21 Burnsville, Minnesota 55337, USA 5600 JB Eindhoven, The Netherlands Singapore 573943 Phone: +1-800-392-3497 Phone: + 31 40 2577 284 Phone: +65 6571 2600 Fax: +1-800-955-6831 Fax: +31 40 2577 330 Fax: +65 6571 2698 audiosupport@us.bosch.com emea.securitysystems@bosch.com apr.securitysystems@bosch.com www.boschsecurity.com www.boschsecurity.com www.boschsecurity.com © Bosch Security Systems Inc. 011 | Data subject to change without notice T1287849611 | Cur: en-US, V21, 27 Jan 2011