Call Station; Introduction - Bosch Plena LBB1990/00 System Manual

Plena Voice Alarm System | Basic System Manual | System Overview
40 BGM inputs - Two inputs to connect background
music sources. Each input consists of two cinch
sockets (see section 3.7).
41 Line output - A line output to connect an external
recording device to record the audio of the Plena
Voice Alarm System (see section 3.12).
42 External power amplifier (output) - An XLR
socket to connect an external power amplifier (see
section 3.9). This socket is used in combination with
the external power amplifier input (no. 47).
43 Trigger outputs - Two general purpose trigger
outputs. Not for use in basic systems.
44 Internal power amplifier output - Three pins
that provide the 100 V audio signal of the internal
power amplifier of the voice alarm controller.
45 Call output - An output that provides the call audio
of the Plena Voice Alarm System.
46 Back-up power inlet - An inlet to connect a back-
up power supply to the voice alarm controller (see
section 3.15).
47 External power amplifier (input) - An input to
connect an external power amplifier (see section 3.9).
These pins are used in combination with the external
power amplifier output (no. 42).
Bosch Security Systems | 2005-04 | 9922 141 10364en
2.4

Call station

2.4.1

Introduction

The LBB1956/00 Call Station can be connected to the
LBB1990/00 Voice Alarm Controller to make business
calls. The call station is connected to the voice alarm
controller using standard Cat-5 Ethernet cable.
figure 2.4: Call Station
The call station is not supervised. For compliance to
evacuation standards, the Plena Voice Alarm System
disables the call station during emergency calls.
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