Garmin GI 275, Maintenance Manual

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190-02246-11 GI 275 Part 23 AML STC Maintenance Manual
Rev. 1 Page 4-4
Figure 4-2 GI 275 J2751 Connector (Looking at Connector)
Table 4-2 J2751/P2751 Connector
Pin Function I/O Pin Function I/O
1 CONFIG MODULE GROUND -- 40 CONFIG MODULE DATA I/O
2 AIRCRAFT POWER 1 IN 41 AIRCRAFT GROUND --
3 AIRCRAFT POWER 2 IN 42 LIGHTING BUS LO IN
4 DISCRETE OUT 1 LO OUT 43 DISCRETE OUT 2* OUT
5 VOR/LOC COMPOSITE LO IN 44 VOR/LOC COMPOSITE HI IN
6 GLIDESLOPE DEVUP IN 45 GLIDESLOPE DEV +DOWN IN
7 LATERAL -FLAG IN 46 ETHERNET OUT 1A OUT
8 ETHERNET OUT 2A OUT 47 ETHERNET OUT 1B OUT
9 ETHERNET OUT 2B OUT 48 ALERT AUDIO OUT LO OUT
10 OBS STATOR F OUT 49 RS-485 A I/O
11 GLIDFLAG IN 50 TO/FROM +FLAG IN IN
12 DISCRETE IN 4 LO IN 51 SPARE GROUND --
13 OBS ROTOR H IN 52 ARINC 429 IN 1A IN
14 ARINC 429 IN 2B IN 53 ARINC 429 IN 3A IN
15 ARINC 429 IN 4B IN 54 SPARE GROUND --
16 ARINC 429 OUT 1A OUT 55 ARINC 429 OUT 1B OUT
17 SPARE GROUND -- 56 SPARE GROUND --
18 RS-232 OUT 2 OUT 57 RS-232 IN 1 IN
19 LRU GROUND -- 58 USB DATA HI I/O
20 LRU POWER OUT 59 USB GROUND --
21 CONFIG MODULE POWER OUT 60 CONFIG MODULE CLOCK OUT
22 LIGHTING BUS HI IN 61 AIRCRAFT GROUND --
23 DISCRETE IN 1 LO IN 62 DISCRETE IN 2 LO IN
24 DISCRETE OUT 3 LO OUT 63 DISCRETE IN 3 LO IN
25 LATERAL DEVLEFT IN 64 LATERAL DEVRIGHT IN
26 LFLAG IN 65 ETHERNET IN 1A IN
27 ETHERNET IN 2A IN 66 ETHERNET IN 1B IN
28 ETHERNET IN 2B IN 67 OBS STATOR G IN
29 OBS STATOR D OUT 68 OBS STATOR E OUT
30 ALERT AUDIO OUT HI OUT 69 RS-485 B I/O
31 GLIDESLOPE -FLAG IN 70 SPARE GROUND --
32 TO/FROM -FLAG IN 71 OBS ROTOR C IN
33 ARINC 429 IN 1B IN 72 ARINC 429 IN 2A IN
34 ARINC 429 IN 3B IN 73 ARINC 429 IN 4A IN
35 ARINC 429 OUT 2A OUT 74 ARINC 429 OUT 2B OUT
36 SPARE GROUND -- 75 SPARE GROUND --
37 RS-232 IN 2 IN 76 RS-232 2 GROUND --
38 RS-232 OUT 1 OUT 77 RS-232 1 GROUND --
39 USB DATA LO I/O 78 USB VBUS POWER OUT
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 62
61 60
59 58 57 56 55 54 53 52 51
1 2 3 4 5 6 7 8
9 10 11 13
14 15 16 17
12
19 20
21 25 24 23 22
18
26 27 28 29 30 31 32 33
34
35 36 37 38 39
40 41 42
43 44 50 49 48 47 46 45