Garmin GTX 32 Maintenance Manual - Page 10

GTX 33 P3301, Pin Name

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6.3.2 GTX 33 P3301 View of J3301 connector looking at unit 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 44 Pin Pin Name I/O 1 RESERVED -- 2 ALTITUDE A1 In 3 ALTITUDE C2 In 4 ALTITUDE A2 In 5 ALTITUDE A4 In 6 ALTITUDE C4 In 7 ALTITUDE B1 In 8 ALTITUDE C1 In 9 ALTITUDE B2 In 10 ALTITUDE B4 In 11 ALTITUDE D4 In 12 EXTERNAL IDENT SELECT* In 13 EXTERNAL STANDBY SELECT* In 14 NOT USED In 15 AUDIO OUT HI Out 16 AUDIO OUT LO Out 17 SQUAT SWITCH IN In 18 RESERVED -- 19 ALTITUDE ALERT ANNUNCIATE* Out 20 RESERVED -- 21 AIRCRAFT POWER 1 In 22 RS-232 IN 1 In 23 RS-232 OUT 1 Out 24 RS-232 IN 2 In 25 RS-232 OUT 2 Out 26 ARINC 429 IN 3 A In 27 POWER GROUND -- 28 ARINC 429 OUT 2 B Out 29 ARINC 429 IN 3 B In 30 ARINC 429 OUT 2 A Out 31 EXTERNAL SUPPRESSION I/O I/O 32 ARINC 429 IN 1 A In 33 ARINC 429 IN 2 A In 34 ARINC 429 OUT 1 B Out 35 ARINC 429 IN 1 B In 36 ARINC 429 IN 2 B In 37 ARINC 429 OUT 1 A Out 38 RESERVED -- 39 RESERVED -- 40 SPARE -- 41 CURRENT TEMPERATURE PROBE OUT Out 42 AIRCRAFT POWER 1 In Page 8 Rev. A GTX32/33 MAINTENANCE MANUAL P/N 190-00304-60

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Page 8
GTX32/33 MAINTENANCE MANUAL
Rev. A
P/N 190-00304-60
6.3.2
GTX 33 P3301
View of J3301 connector looking at unit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
44
46
47
48
49
50
51
52
53
54
55
56
16
17
18
19
20
21
37
38
39
40
41
42
57
58
59
60
61
62
Pin
Pin Name
I/O
1
RESERVED
--
2
ALTITUDE A1
In
3
ALTITUDE C2
In
4
ALTITUDE A2
In
5
ALTITUDE A4
In
6
ALTITUDE C4
In
7
ALTITUDE B1
In
8
ALTITUDE C1
In
9
ALTITUDE B2
In
10
ALTITUDE B4
In
11
ALTITUDE D4
In
12
EXTERNAL IDENT SELECT*
In
13
EXTERNAL STANDBY SELECT*
In
14
NOT USED
In
15
AUDIO OUT HI
Out
16
AUDIO OUT LO
Out
17
SQUAT SWITCH IN
In
18
RESERVED
--
19
ALTITUDE ALERT ANNUNCIATE*
Out
20
RESERVED
--
21
AIRCRAFT POWER 1
In
22
RS-232 IN 1
In
23
RS-232 OUT 1
Out
24
RS-232 IN 2
In
25
RS-232 OUT 2
Out
26
ARINC 429 IN 3 A
In
27
POWER GROUND
--
28
ARINC 429 OUT 2 B
Out
29
ARINC 429 IN 3 B
In
30
ARINC 429 OUT 2 A
Out
31
EXTERNAL SUPPRESSION I/O
I/O
32
ARINC 429 IN 1 A
In
33
ARINC 429 IN 2 A
In
34
ARINC 429 OUT 1 B
Out
35
ARINC 429 IN 1 B
In
36
ARINC 429 IN 2 B
In
37
ARINC 429 OUT 1 A
Out
38
RESERVED
--
39
RESERVED
--
40
SPARE
--
41
CURRENT TEMPERATURE PROBE OUT
Out
42
AIRCRAFT POWER 1
In