Codan 8525B Series - External alarm socket

Front and rear panel sockets
Outback HF Radiophone 13-3
External alarm socket
This socket is located on the rear panel of the transceiver.
This facility allows an external alarm device to be connected to the Radiophone.
When a selective call is detected, internal relay contacts close across pins 2 & 3.
The contacts are rated for 1A at 50V DC.
Pin No. Designation Pin No. Designation
1
Not used
3
Relay contact
2
Not used
4
Ground
q