15. Microphone socket:
A socket to connect the hand-held emergency microphone (see section Emergency
microphone, page 49).
16. Bracket:
A bracket for the hand-held emergency microphone that is supplied with the voice alarm
controller.
17. Monitoring speaker:
Built-in monitoring speaker.
18. Zone outputs:
Six zone outputs to connect loudspeakers to the voice alarm controller. Each zone output
consists of two loudspeaker line outputs (see section Loudspeakers, page 54).
19. Override outputs:
Six volume override outputs to override local volume controls in each zone (see section
Volume overrides, page 56).
20. Status outputs:
Three status outputs to send the status of the Plena Voice Alarm System to third party
equipment (see section Status output contacts, page 61).
21. Trigger inputs/24 V DC output:
Twelve trigger inputs to receive signals from third party equipment and one 24 V(DC)
output (see section Trigger inputs, page 64).
22. Call station sockets:
Two RJ45 sockets to connect call stations to the voice alarm controller (see section Call
station, page 50).
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 Calibration, page 87).
25. Configuration settings:
A set of DIP switches to configure the system (see section System settings, page 75).
26. PC socket:
A USB socket to connect the voice alarm controller to a PC.
Refer to the Configuration Software Manual 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.
29. Reserved:
To connect an OI, or for upgrades (only for authorized use).
30. Voltage selector:
A voltage selector to select the local mains voltage (see section Power, page 62).
31. Power switch:
A switch to switch the voice alarm controller on and off (see section Power, page 62).
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 Power,
page 62).
16
en | System overview Plena
2013.07 | V2.0 | Installation and Operation manual Bosch Security Systems B.V.
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