Figure 4-13 Gmu 11 Connector; Table 4-11 J111/P111 Connector; Gmu 11 - Garmin GI 275 Maintenance Manual

4.2.5

GMU 11

The GMU 11 has one connector:
• J111/P111 9-pin female connector
190-02246-11
Rev. 1

Figure 4-13 GMU 11 Connector

Table 4-11 J111/P111 Connector

Pin Function
1 CAN BUS HI
2 CAN BUS LO
3 UNIT ID 1
4 RS-232 IN
5 RS-232 OUT
6 SIGNAL GROUND
7 AIRCRAFT PWR 1
8 AIRCRAFT PWR 2
9 POWER GROUND
I/O
I/O
I/O
IN
IN
OUT
--
IN
IN
--
GI 275 Part 23 AML STC Maintenance Manual
Page 4-15