Garmin G600, Maintenance Manual

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190-01717-B1 G500/G600 TXi Part 23 AML STC Maintenance Manual
Rev. 1 Page 4-10
4.2.4 GSU 75()
GSU 75() has a single connector:
• J751/P751 78-pin female contact HD D-Sub
Figure 4-5 View of J751 Connector looking at GSU 75()
J751/P751 Connector
Pin Function I/O Pin Function I/O
1 ARINC 429 OUT ADC 1A OUT 40 PPS IN 1 B IN
2 ARINC 429 OUT ADC 1B OUT 41 PPS IN 2 A IN
3 ARINC 429 OUT ADC 2A OUT 42 ARINC 429 IN ADC 1A IN
4 OAT LO IN 43 ARINC 429 IN ADC 1B IN
5 OAT HI IN 44 ARINC 429 IN ADC 2A IN
6 OAT POWER OUT 45 ARINC 429 IN AHRS 1A IN
7 ARINC 429 OUT ADAHRS 1B OUT 46 ARINC 429 IN AHRS 1B IN
8 ARINC 429 OUT ADAHRS 3A OUT 47 ARINC 429 IN AHRS 3A IN
9 ARINC 429 OUT ADAHRS 3B OUT 48 SIGNAL GROUND --
10 RS-422 IN A IN 49 ARINC 429 OUT ADAHRS 2A OUT
11 RS-422 IN B IN 50 ARINC 429 OUT ADAHRS 2B OUT
12 RS-232 OUT AHRS 3 OUT 51 RS-232 OUT AHRS 1 OUT
13 MAGNETOMETER POWER OUT OUT 52 RS232 IN AHRS 1 IN
14 AIRCRAFT POWER 1 IN 53 CONFIG MODULE POWER OUT
15 SIGNAL GROUND -- 54 CONFIG MODULE DATA I/O
16 AIRCRAFT POWER 2 IN 55 CONFIG MODULE CLOCK OUT
17 RS-232 OUT ADC 2 OUT 56 DISCRETE IN 1* IN
18 RS-232 IN ADC 2 IN 57 SYS ID 2* IN
19 RESERVED -- 58 RESERVED IN
20 RESERVED -- 59 RESERVED I/O
21 ARINC 429 OUT ADC 3A OUT 60 PPS IN 1A IN
22 ARINC 429 OUT ADC 3B OUT 61 PPS IN 2B IN
23 ARINC 429 OUT ADC 2B OUT 62 ARINC 429 IN ADC 3A IN
24 SIGNAL GROUND -- 63 ARINC 429 IN ADC 3B IN
25 PPS SELECT IN 64 ARINC 429 IN ADC 2B IN
26 SIGNAL GROUND -- 65 ARINC 429 IN AHRS 2A IN
27 ARINC 429 OUT ADAHRS 1A OUT 66 ARINC 429 IN AHRS 2B IN
28 ARINC 429 OUT ADAHRS 3A OUT 67 ARINC 429 IN AHRS 3B IN
29 ARINC 429 OUT ADAHRS 3B OUT 68 RS-232 ADC 1 GROUND --
30 SIGNAL GROUND -- 69 RS-232 OUT ADC 1 OUT
31 RS-232 AHRS 3 GROUND -- 70 RS-232 IN ADC 1 IN
32 RS-232 AHRS 1 GROUND -- 71 RS-232 OUT AHRS 2 OUT
33 MAGNETOMETER GROUND -- 72 RS-232 IN AHRS 2 IN
34 AIRCRAFT GROUND 1 -- 73 RS-232 AHRS 2 GROUND --
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
40
41 42
43 44 45 46 47 48 49 50 51 52 53 54 55 56
57
58 59
60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78