Gdc 74(X - Garmin G1000 Maintenance Manual

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A.5 GDC 74x (P741)
Pin Pin Name
1 CONFIG MODULE GROUND
2 OAT PROBE POWER OUT
3 OAT PROBE IN HI
4 OAT PROBE IN LO
5 SIGNAL GROUND
6 ADC SYSTEM ID PROGRAM* 1
7 SIGNAL GROUND
8 DISCRETE IN* 6
9 SIGNAL GROUND
10 RS-232 IN 1
11 RS-232 OUT 1
12 SIGNAL GROUND
13 RS-232 IN 2
14 RS-232 OUT 2
15 SIGNAL GROUND
16 RESERVED
17 POWER GROUND
18 POWER GROUND
19 POWER GROUND
20 POWER GROUND
21 CONFIG MODULE POWER OUT
22 SPARE
23 ARINC 429 IN 1 A
24 ARINC 429 IN 1 B
25 SIGNAL GROUND
26 ARINC 429 OUT 1 A
27 ARINC 429 OUT 1 B
28 SIGNAL GROUND
29 ARINC 429 OUT 2 A
30 ARINC 429 OUT 2 B
31 SIGNAL GROUND
32 ARINC 429 OUT 3 A
33 ARINC 429 OUT 3 B
34 SIGNAL GROUND
35 ARINC 429 IN 2 A
36 ARINC 429 IN 2 B
G1000 System Maintenance Manual
190-00907-00
View of J741 connector looking at unit
60 61 62 63 64 65 66 67
40 41 42 43 44 45 46 47 48
21 22 23 24 25 26 27
28
1 2 3 4 5 6 7 8 9
68 69 70 71 72 73 74 75 76
49 50 51 52 53 54 55 56
30 31 32 33 34 35 36 37
29
10 11 12 13 14 15 16 17
77 78
57 58 59
38 39
18 19 20
I/O
--
Out
In
In
--
In
--
In
--
In
Out
--
In
Out
--
--
--
--
--
--
Out
--
In
In
--
Out
Out
--
Out
Out
--
Out
Out
--
In
In
Page A-19
Rev. B