Garmin G1000 Maintenance Manual page 282

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A.15 P3301 (GTX 33)
21
Pin Pin Name
1 RESERVED
2 ALTITUDE A1
3 ALTITUDE C2
4 ALTITUDE A2
5 ALTITUDE A4
6 ALTITUDE C4
7 ALTITUDE B1
8 ALTITUDE C1
9 ALTITUDE B2
10 ALTITUDE B4
11 ALTITUDE D4
12 EXTERNAL IDENT SELECT*
13 EXTERNAL STANDBY SELECT*
14 NOT USED
15 AUDIO OUT HI
16 AUDIO OUT LO
17 SQUAT SWITCH IN
18 RESERVED
19 ALTITUDE ALERT ANNUNCIATE*
20 RESERVED
21 AIRCRAFT POWER 1
22 RS-232 IN 1
23 RS-232 OUT 1
24 RS-232 IN 2
25 RS-232 OUT 2
26 ARINC 429 IN 3 A
27 POWER GROUND
28 ARINC 429 OUT 2 B
29 ARINC 429 IN 3 B
30 ARINC 429 OUT 2 A
31 EXTERNAL SUPPRESSION I/O
32 ARINC 429 IN 1 A
33 ARINC 429 IN 2 A
34 ARINC 429 OUT 1 B
35 ARINC 429 IN 1 B
36 ARINC 429 IN 2 B
37 ARINC 429 OUT 1 A
38 RESERVED
39 RESERVED
40 SPARE
41 CURRENT TEMPERATURE PROBE OUT
42 AIRCRAFT POWER 1
Page A-26
Rev. A
View of J3301 connector looking at unit
20 19 18 17 16 15 14 13
42 41 40 39 38 37 36 35 34
62 61 60 59 58 57 56 55
12 11 10 9 8 7 6 5 4
33 32 31 30 29 28 27 26
54 53 52 51 50 49 48 47 46
3 2 1
25 24 23 22
44
G1000 System Maintenance Manual
190-00903-00
I/O
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In
In
In
In
In
In
In
In
In
In
In
In
In
Out
Out
In
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Out
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In
In
Out
In
Out
In
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Out
In
Out
I/O
In
In
Out
In
In
Out
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Out
In