page 31
16. Connector Pin-Out - continued
Connector pin-out
Signal
Notes
6
7
1
12
1
Power -
Ground & power (10-30V DC). Supply should be
protected by 500mA-rated circuit breaker/fuse
2
Power +
3
TX (+)
RS-232 serial port
4
TX (-)
5
RX (-)
6
RX (+)
7
CAN LO
(J1939
LO)
CAN2.0B port
8
CAN HI
(J1939 HI)
9
RS485A
(J1587+)
Serial port
10
RS485B
(J1587-)
11
Output
Programmable digital output for activating
alarm*
12
Not used