Call Station; Buttons; Supervision - Bosch Plena Voice Alarm System Installation And Operation Manual

Plena Voice Alarm System
19. Volume override:
20. Power amplifier failure:
21. Trigger outputs:
22. Back-up power inlet:
23. Back-up power inlet:
24. External power amplifier 2 (input):
3.4

Call Station

The Call Station can be connected to the Plena Voice Alarm System to make business calls.
The maximum number of call stations in a Plena Voice Alarm System is 8.
Figure 3.5 Call Station
3.4.1

Buttons

Each call station has zone select buttons and a push-to-talk (PTT) button. The zone select
buttons can be configured for selecting zones and zone groups in the system. To the PTT
button, a pre and post chime can be assigned that is played at the start or at the end of the
business call.
3.4.2

Supervision

The call station is not supervised. For compliance to evacuation standards, the Plena Voice
Alarm System disables the call station during emergency calls.
Bosch Security Systems B.V.
Three contacts (NC/24V/NO) to connect a fail-safe or a power-saving 4-wire volume
override (see section 5.1.7 ).24 V DC output One 24 V(DC) output.
Two pins (NC relays) to report a failure of the power amplifier.
Two general purpose trigger outputs. For future use.
An inlet to connect a back-up power supply to the voice alarm router (see section 5.2.6 ).
An inlet to connect a back-up power supply to the voice alarm router (see section 5.2.6 ).
An input to connect an external power amplifier (see section 10.1.2 ). These pins are
used in combination with the external power amplifier output (no. 18).
Installation and Operation manual
System overview | en
9922 141 1037x (V2.16) | V0.6 | 2011.09
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