Page A-6
G300 Installation Manual – Pinouts
Revision A
190-00921-01
A.3
GSU 73
A.3.1
Connector Description
The GSU 73 has one 62-pin connector (J731) and one 78-pin connector (J732) located on the connector
end of the unit, as shown below. J731 and J732 are clearly marked on the connector end plate.
J732
J731
Figure A-3 Rear View of Connector End Plate
A.3.2
Pin List
A.3.2.1
P731 Connector
Figure A-4 Rear Connector J731 Viewed from Connector End of Unit
J731 pins are configured as shown in preceding figure. J731 pin assignments are given in the following
table, additional tables group pin connections by function.
Pin Pin
Name
I/O
1
MAGNETOMETER RS-485 IN B
In
2
MAGNETOMETER RS-485 IN A
In
3 SIGNAL
GROUND
--
4
GSU SYSTEM ID PROGRAM* 1
In
5
GSU SYSTEM ID PROGRAM* 2
In
6 RESERVED
--
7
CAN BUS HI
I/O
8
CAN BUS LO
I/O
9 DISCRETE
IN*
1
In
10 DISCRETE
IN*
2
In
11 DISCRETE
IN*
3
In
12 DISCRETE
IN*
4
In
13 DISCRETE
OUT*
1
Out
14 DISCRETE
OUT*
2
Out
15
MAGNETOMETER RS-232 OUT
Out
* Indicates Active Low
