Bosch Security Systems | 2006-06 | 9922 141 10377 en
Plena Voice Alarm System | Installation and User Instructions | Equipment en | 44
6 LBB1992/00 Voice Alarm
Router
6.1 Controls, connectors and
indicators
See figure 6.1 for an overview of the controls, indicators
and connectors on the voice alarm router:
1 Power LED/VU Meter - A combined power
indicator and VU meter. The green power LED is lit
if the voice alarm router is connected to the mains or
back-up power and switched on. The VU meter
indicates the master VU level: 0 dB (red), -6 dB, -
20 dB (yellow).
2 Fault indicators - Eight yellow system fault LEDs
(Processor reset, Network, Call/EMG, Music/Spare,
Ground short, Input, Mains, Battery) and twelve
yellow loudspeaker line fault LEDs. Fault indication
is only possible if supervision is enabled (see section
28.4).
3 Emergency call zone selectors - Six buttons to
select the zones to which the emergency call must be
distributed (see 27). Each button has a green and a
red LED. The six red LEDs indicate the zones that
are selected for the emergency call. The six green
LEDs indicate the zones in which a business call is
running.
4 BGM zone selectors - Six buttons to select the
zones to which the BGM is distributed (see 25). Each
button has a green LED. The six green LEDs
indicate the zones to which BGM is distributed.
5 Zone outputs - Six zone outputs to connect
loudspeakers to the voice alarm router. Each zone
output consists of two loudspeaker line outputs (see
section 6.3.2).
6 External power amplifier 1 (input) - An input
to connect an external power amplifier (see section
6.3.5). These pins are used in combination with the
external power amplifier output (no. 18).
7 Call output - An output that provides the call audio
of the Plena Voice Alarm System.
8 Override outputs - Six volume override outputs to
override local volume controls in each zone (see
section 6.3.3).
9 Trigger inputs - Twelve trigger inputs to receive
signals from third party equipment (see section
6.3.4).
10 Voltage selector - A voltage selector to select the
local mains voltage (see section 6.3.6).
11 Power switch - A switch to switch the voice alarm
router on and off (see section 6.3.6).
12 Mains power inlet - A socket to connect the voice
alarm router to the mains power (see section 6.3.6).
13 Ground - A connection to electrically ground the
voice alarm controller.
14 Firmware upgrade connector - An RS232
connector to connect a PC to upgrade the firmware
of the voice alarm router.
15 Configuration settings - A set of DIP switches to
configure the voice alarm router (see 20).
16 System sockets - Two RJ45 socket to connect
other voice alarm routers to the voice alarm router
(see section 6.4.2)
17 Router ID - A rotary switch to set the ID of the
router (see 20).
18 External power amplifier (output) - Two XLR
sockets to connect external power amplifiers (see
section 5.3.4). This socket is used in combination
with the external power amplifier inputs (no. 6 and
24).
19 Volume override - Three contacts (NC/24V/NO)
to connect a fail-safe or a power-saving 4-wire
volume override (see section 5.3.7).
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