20 en | System overview Plena Voice Alarm System
9922 141 1037x (V2.16) | V0.6 | 2011.09 Installation and Operation manual Bosch Security Systems B.V.
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 7.5.3 ).
3. Emergency call zone selectors:
Six buttons to select the zones to which the emergency call must be distributed (see
section 7.4 ). 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 section 7.2 ). 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 5.2.2 ).
6. External power amplifier 1 (input):
An input to connect an external power amplifier (see section 5.2.5 ). 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
5.2.3 ).
9. Trigger inputs:
Twelve trigger inputs to receive signals from third party equipment (see section 5.2.4 ).
10. Voltage selector:
A voltage selector to select the local mains voltage (see section 5.2.6 ).
11. Power switch:
A switch to switch the voice alarm router on and off (see section 5.2.6 ).
12. Mains power inlet:
A socket to connect the voice alarm router to the mains power (see section 5.2.6 ).
13. Ground:
A connection to electrically ground the router.
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 section 6.3.5
).
16. System sockets:
Two RJ45 sockets to connect other voice alarm routers to the voice alarm router (see
section 5.1.3 ).
17. Router ID:
A rotary switch to set the ID of the router (see section 6.3.5 ).
18. External power amplifier (output):
Two XLR sockets to connect external power amplifiers (see section 5.1.4 ). This socket is
used in combination with the external power amplifier inputs (no. 6 and 24).
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