190-02246-11
GI 275 Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-15
4.2.5 GMU 11
The GMU 11 has one connector:
• J111/P111 9-pin female connector
Figure 4-13 GMU 11 Connector
Table 4-11 J111/P111 Connector
Pin
Function
I/O
1
CAN BUS HI
I/O
2
CAN BUS LO
I/O
3
UNIT ID 1
IN
4
RS-232 IN
IN
5
RS-232 OUT
OUT
6
SIGNAL GROUND
--
7
AIRCRAFT PWR 1
IN
8
AIRCRAFT PWR 2
IN
9
POWER GROUND
--