Bosch Plena Voice Alarm Router LBB1992/00

Product Description

• Expand the Plena Voice Alarm System with six zones

• EN 54-16 certified

• 12 additional input contacts

• Six volume override output contacts

• Supervision within the Plena Voice Alarm System

• It provides dual channel operation for calls and BGM simultaneously to a maximum of six different zones,using two amplifiers. Additionally, single channel operation is possible with only one amplifier

• Multiple routers can also share one amplifier, including the internal amplifier on the controller unit

• It is possible to use any number of amplifiers from one up to the number of routers used

• The controller supports A/B wiring

• Functions

• The LBB1992/00 has a set of relays for zone-switching the power amplifier output(s) to different loudspeaker groups

• Each zone can be switched between

• The call channel (call-station selection, all-call microphone, or emergency activation)

• The BGM channel (front panel selection)

• Off Volume override relay contacts are provided for each zone separately for overriding local loudspeaker volume controls

• This ensures that priority messages go through with a given volume, even though the local
  volume controls may be set to a low volume level for background music, for example

• Both three-wire and four-wire override schemes are supported

• A call or a triggered input will activate these contacts for the appropriate zones, together with an additional voltage-free contact (call-active) for control purposes

• An overload protected 24 VDC output provides power for driving external relays, making an external power supply unnecessary

• The master output channel, or one of the input channels, can be selected to be monitored with headphone connector and LED meter

• Controls And Indicators

• Front

• Meter (LED's for -20, -6, 0 dB and Power ON)

• Eight system fault LEDs

• 12 loudspeaker line fault LEDs

• Six EMG call-zone selection buttons

• 12 EMG call-zone status LEDs

• Six BMG zone selector buttons

• Six BMG zone status LEDs

• Back

• Two DIP switches

• Unit ID rotary control

• Mains voltage selector

• Power switch

• Mains socket

• Interconnections Back

• 12 loudspeaker outputs

• Two external amp inputs

• Call output

• Six volume override outputs

• 12 trigger inputs

• RS-232 connector

• Two system interlinks

• Two external amp outputs (XLR/balanced)

• Power amp fault output

• 24 VDC power output

• 24 VDC power input

• Two extra trigger outputs

• Earth connection screw

Product Specification

Other Details