Figure 3.11: Front and rear views of the remote control extension
Overview of the controls, indicators and connectors on the remote control extension:
1. Power LED/VU Meter:
A combined power indicator and VU meter. The green power LED is lit if the remote
control extension is connected to the mains or back-up power and switched on. The VU
meter indicates the call 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 Fault indicators, page
98).
3. Emergency call zone selectors:
Six buttons to select the zones to which the emergency call must be distributed (see
section Emergency state, page 91). 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 Background
music, page 88). Each button has a green LED. The six green LEDs indicate the zones to
which BGM is distributed.
5. Ground:
A connection to electrically ground the remote control extension.
6. Firmware upgrade connector:
An RS232 connector to connect a PC to upgrade the firmware of the remote control
extension.
3.8
28 en | System overview Plena
2013.07 | V2.0 | Installation and Operation manual Bosch Security Systems B.V.
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