Firecom 3000C Installation & Operation Manual page 25

S E R V I C E I N F O R M A T I O N
MODULAR CONNECTOR:
PP-20:
RADIO INTERFACE PORT:
RADIO INTERFACE CABLE:
RADIO TRANSMIT
HEADSET:
RECEIVE AUDIO:
RJ-12:
TRANSMIT AUDIO:
The six conductor plugs on the ends of the CA
Cables. These connectors plug into the Headset
Modules and the Intercom Unit. Also referred to as a
RJ-12 Modular Connector.
A round metal, water resistant, module for headset
connection. For use on the exterior of the vehicle.
A 9-pin D-sub jack on the rear of the Intercom Unit
(see page 3 for more information).
The cable which plugs into the Radio Interface Port
on one end, and connects to a 2-way radio on the
other.
The Radio-Transmit Headset receives both intercom
and receive audio at all times. The mic is always active
for intercom communication, and has a Red PTT for
radio communication (see page 18 for more
information).
Audio from incoming radio transmissions. This is the
same audio that is heard from the radio's speaker.
See Modular Connector (Above).
Audio signals being transmitted on the radio via a
Radio-Transmit Headset with the Red PTT button
pressed.
23.