User Manual

CONNECTIONS AND MAINTENANCE

r DC POWER CONNECTOR

Connects to a 13.8 V DC power source. (+: Red, –: Black)

CAUTION: After connecting the DC power cable, NMEA

leads, external speaker leads, and PA speaker leads, cov-

er the connector and leads with an vulcanizing tape, as

shown below, to prevent water seeping into the connec-

tion.

Rubber vulcanizing

tape

t GROUND TERMINAL

Connects to a vessel ground to prevent electrical shocks

and interference from other equipment occurring.

Use a PH M3 × 6 screw (user supplied).

y COMMAND MICROPHONE JACK

Connects to the optional Command microphone. (p. 89)

D Connect to the MA-500TR

Connect the transceiver to the high-density D-Sub 15-pin

connector of the MA-500TR using the OPC-2014* cable. Af-

ter connecting, an Individual DSC call can be made to the

AIS target using the transponder without entering the target’s

MMSI code.

* The OPC-2014 is supplied with the MA-500TR

• Listener A (Data-H) lead (Yellow):

Connects to lead 3 of the OPC-2014.

• Listener B (Data-L) lead (Green):

Connects to lead 2 of the OPC-2014.

• Talker A (Data-H) lead (White):

Connects to lead 5 of the OPC-2014.

• Talker B (Data-L) lead (Brown):

Connects to lead 4 of the OPC-2014.