2-12 
2.3 CABLE CONNECTION 
 
●  Unit (Rear Connector) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sensor Connection Terminal 
Used for connecting the dedicated GPS compass sensor. 
Maintenance Terminal 
Used to connect to a computer (RS-232C). 
(Shall be used by service engineer only.) 
Power Supply Terminal 
Used to supply power to the equipment. 
Use the included power cable. 
Chassis Ground Terminal 
Connect to the ship's ground terminal as needed. 
External Device    Connection Terminal (For Serial 
Transmission) 
Used for connecting equipment such as radar. 
External Device  Connection Terminal  
(For Contact Signal) 
Interfaces to optional equipment such as an external 
buzzer.
DC12/24V 
E 
SENSOR
DATA IN/OUT 1
CONTACT IN/OUT 
DATA IN/OUT 2