Owner's manual
Table Of Contents
- 1. Product Introduction
- 2. Description and Installation
- 3. System Configuration
- 4. Function and Use
- 5. Service Tool
- 6. Server
- 7. Control Panel
- 8. Communicator
- 9. Maintenance
- 10. Technical Parameters
- 11. Supplementary Information
942N TELEKOMUNIKACE a.s., www.2n.cz
®
Description of Terminals, Connectors and Jumpers
Figure: Terminals, Connectors and Jumpers on Fireman Audio Unit Board
Terminals and Connectors
1 Speaker connector 5 2 microphone connectors
2 Audio unit bus 6 Detent button (knob) connector
3
Volume setting (trimmer)
7
Configuration jumper
4 Button connector (Push to talk)
8 Servicing connector
Bus Connection
Remove the audio unit cover and unplug terminal 2 (audio unit bus). Connect the bus
and replace the terminal keeping polarity.
Warning
Connection to different, e.g. higher-voltage, cables leads to damage or
destruction of the audio unit.
Keep polarity while connecting the audio unit to make the audio unit work
properly.