Bosch Plena Installation And User Instructions Manual page 28

Plena Voice Alarm System | Installation and User Instructions | Equipment
22 Call station sockets - Two redundant RJ45
sockets to connect call stations (LBB1956/00) to the
voice alarm controller (see section 5.3.2).
23 Service settings - A set of DIP switches to service
the voice alarm controller. Do not change the
positions of the switches.
24 Calibration switch - A switch to calibrate the
impedances of the loudspeaker lines for loudspeaker
supervision (see section 24.3).
25 Configuration settings - A set of DIP switches to
configure the system (see 17).
26 PC socket - A USB socket to connect the voice
alarm controller to a PC.
Note
See the Configuration Software Manual
(9922 141 1038x) for more information about
connecting a PC to the voice alarm controller.
27 Emergency microphone volume control - A
rotary knob to set the volume of the hand-held
emergency microphone.
28 Reserved - For future use.
29 Reserved - For future use.
30 Voltage selector - A voltage selector to select the
local mains voltage (see section 5.3.12).
31 Power switch - A switch to switch the voice alarm
controller on and off (see section 5.3.12).
32 Ground - A connection to electrically ground the
voice alarm controller.
33 Mains power inlet - A socket to connect the voice
alarm controller to the mains power (see section
5.3.12).
34 Router socket - An RJ45 socket to connect voice
alarm routers (LBB1992/00) to the voice alarm
controller (see section 5.3.3)
35 Remote control panel socket - Two redundant
RJ45 sockets to connect remote control panels
(LBB1995/00, LBB1996/00, LBB1998/00) to the
voice alarm controller.
Bosch Security Systems | 2006-06 | 9922 141 10377 en
36 Monitoring speaker volume control - A rotary
knob to set the volume of the monitoring
loudspeaker.
37 Digital message volume control - A rotary
knob to set the volume of the digital messages. This
volume control does not influence the volume of the
emergency messages.
38 Mic/line input with VOX functionality - An
XLR socket and a 6.3 mm jack with voice-activated
(VOX) functionality to connect a microphone or line
input to the voice alarm controller (see section 5.3.9).
The VOX settings are configured with the DIP
switches and the source switch (see section 19.1).
39 PC Call station input - An input to connect a PC
call station. For future use.
40 BGM inputs - Two inputs to connect background
music sources. Each input consists of two cinch
sockets (see section 5.3.10).
41 Line output - A line output to connect an external
recording device to record the audio of the Plena
Voice Alarm System (see section 5.3.8).
42 External power amplifier (output) - An XLR
socket to connect an external power amplifier (see
section 5.3.4). This socket is used in combination
with the external power amplifier input (no. 47).
43 Trigger outputs - Two general purpose trigger
outputs. For future use.
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 5.3.12).
47 External power amplifier (input) - An input to
connect an external power amplifier (see section
5.3.4). These pins are used in combination with the
external power amplifier output (no. 42).
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