Plena Voice Alarm System System overview | en 17
Bosch Security Systems B.V. Installation and Operation manual 9922 141 1037x (V2.16) | V0.6 | 2011.09
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 5.1.13 ).
22. Call station sockets:
Two redundant RJ45 sockets to connect call stations to the voice alarm controller (see
section 5.1.2 ).
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 7.1.3 ).
25. Configuration settings:
A set of DIP switches to configure the system (see section 6.1 ).
26. PC socket:
A USB socket to connect the voice alarm controller to a PC.
Refer to the Configuration Software Manual (9922 141 1038x) 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:
To connect an OI.
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 5.1.12 ).
31. Power switch:
A switch to switch the voice alarm controller on and off (see section 5.1.12 ).
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 5.1.12 ).
34. Router socket:
An RJ45 socket to connect voice alarm routers to the voice alarm controller (see section
5.1.3 ).
35. Remote control panel socket:
Two redundant RJ45 sockets to connect remote control panels (Fireman’s panel, Remote
Control, Remote Control kit) to the voice alarm controller.
36. Monitoring speaker volume control:
A rotary knob to set the volume of the monitoring loudspeaker.
37. Digital message volume control:
A rotary knob to set the volume of the digital messages. This volume control does not
influence the volume of the emergency messages.
38. Mic/line input with VOX functionality:
An XLR socket and a 6.3 mm jack with voice-activated (VOX) functionality to connect a
microphone or line input to the voice alarm controller (see section 5.1.9 ). The VOX
settings are configured with the DIP switches and the source switch (see section 6.3.1 ).
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