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Bosch LBB 1990/00 Use Manual

Plena voice alarm controller.
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Communication Systems | LBB 1990/00 Plena Voice Alarm Controller
LBB 1990/00 Plena Voice Alarm Controller
▶ Heart of the Plena Voice Alarm System
▶ Compliant with standards for emergency sound
systems (IEC60849)
▶ 6-zone system controller
▶ Built-in 240 W booster amplifier
▶ 12 Business and emergency control inputs and
outputs
The Plena Voice Alarm Controller is the heart of the voice
Functions
alarm system. It is the basis of the Plena Voice Alarm
The controller has two BGM source inputs and a mic/line
System, and has all the essential functionality for
input with configurable priority, speech filter, phantom
compliance with the IEC 60849 standard, including full
power and selectable VOX activation. A total of 16
system supervision, loudspeaker line impedance
priority levels can be specified for microphone, call
supervision, a supervised emergency microphone on the
stations and trigger inputs for optimum system
front panel and a supervised message manager.
flexibility.
The messages can be merged to allow even more flexible
The powerful 240 W output section has six transformer-
use of pre-recorded announcements and evacuation
isolated 100 V constant voltage outputs for driving 100 V
messages. The controller can be used as a stand-alone
loudspeakers in six separate zones. The 100 V-technique
system with up to 6 zones, or expanded to up to
reduces line losses on longer distances and allows for
60 zones using additional 6-zone routers. Up to 8 call
easy parallel connection of multiple loudspeakers. All
stations can be connected. Interconnections are made
zones may be individually selected from the front panel,
using standard RJ45 connectors and shielded CAT-5
and the BGM output level in each zone can be
cable.
individually set in 6 steps. The BGM output is connected
A built-in 240 W amplifier provides the power for the
to the 70 V line, so it is possible to connect a total load
emergency call channel and BGM. Additional Plena
of 480 Watts in a two-channel system combined with a
Amplifiers can be added to provide two-channel
480 Watt booster.
operation, or for additional power if the total power
The output of the booster is also available as a separate
requirement exceeds 240 W (maximum 480 W per 6
output on 100 V and 70 V. A separate 100 V Call Only
zones). All amplifiers are supervised. The audio output
output is provided for addressing an area where BGM is
uses standard analog audio 100 V line switching for full
not required but where priority announcements are. Six
compatibility with the Plena family of public address
configurable Volume Override output contacts are
equipment and Bosch EVAC-compliant loudspeakers.
available for overriding local volume controls during
The system is configured using DIP switches for basic
priority calls. A LED VU-meter monitors the output.
functionality and a PC for more advanced functions.
Up to 255 messages can be stored in the internal
16 MB flash ROM, without a need for battery backup.
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   Summary of Contents for Bosch LBB 1990/00

  • Page 1

    Communication Systems | LBB 1990/00 Plena Voice Alarm Controller LBB 1990/00 Plena Voice Alarm Controller ▶ Heart of the Plena Voice Alarm System ▶ Compliant with standards for emergency sound systems (IEC60849) ▶ 6-zone system controller ▶ Built-in 240 W booster amplifier ▶...

  • Page 2: Technical Specifications

    2 | LBB 1990/00 Plena Voice Alarm Controller Each message can have any length within the total Technical Specifications available capacity. Messages and configurations are Electrical uploaded from a PC via USB into the memory, after which the unit operates without PC connection. The Mains Voltage 230 / 115 VAC, ±10%, 50 / 60 Hz...

  • Page 3: Ordering Information

    Phone: +65 6319 3450 Fax: +1 800 289 0096 Fax: +31 (0) 40 27 86668 Fax: +65 6319 3499 security.sales@us.bosch.com emea.securitysystems@bosch.com apr.securitysystems@bosch.com www.boschsecurity.us www.boschsecurity.com www.boschsecurity.com © Bosch Security Systems, 2005 | Data subject to change without notice | 12. Dec. 2005...

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