Specifications

Using a Model 26 Fire Station Dispatcher for System Backup
130 025-9581M
♦ Connecting the Model 6203 to the voice radio for FFSK backup:
1. If any wire is connected to the PTT Out (P4, pin 1) signal of the IP Interface
Board, disconnect it.
2. If there is an existing connection to the AUX RX “A” input (J4, pin 4) on the
station unit motherboard, disconnect it.
3. Jumper the RX COR input (J5, pin 1) on the station unit to ground (J5, Pin 2).
The COR output of the radio should not be connected to anything.
4. Connect the RX audio from the radio to RX Audio + (J5, pin 3) on the station unit
motherboard. Connect the RX Audio - (J5, pin 4) to ground (J5, pin 2).
5. Connect the TX audio input of the radio to TX Audio + (J4, pin 11) on the station
unit motherboard. Connect the TX Audio - (J4, pin 9) to ground (J4, pin 7).
6. Connect the XMIT PTT output (J4, pin 8) of the station unit to the PTT input of
the radio.
7. Review all of your connections to ensure that they have been made to the correct
pins and that they are securely fastened.