Garmin GTX 32 Maintenance Manual - Page 9

Pin Assignment List

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6.3 Pin Assignment List 6.3.1 GTX 32 P3271 View of J3271 connector looking at unit 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 Pin Pin Name I/O 1 XPDR REMOTE POWER OFF In 2 RS-232 IN 2 In 3 ALTITUDE A1 In 4 ALTITUDE C2 In 5 ALTITUDE A2 In 6 ALTITUDE A4 In 7 ALTITUDE C4 In 8 EXTERNAL IDENT SELECT* In 9 ALTITUDE B1 In 10 ALTITUDE C1 In 11 ALTITUDE B2 In 12 ALTITUDE B4 In 13 POWER GROUND -- 14 SWITCHED POWER OUT Out 15 AIRCRAFT POWER 1 In 16 XPDR SYSTEM ID PROGRAM* In 17 EXTERNAL SUPPRESSION I/O I/O 18 ALTITUDE D4 In 19 RS-232 IN 1 In 20 RS-232 OUT 1 Out 21 RESERVED -- 22 SQUAT SWITCH In 23 AIRCRAFT POWER 2 In 24 RS-232 OUT 2 Out 25 SIGNAL GROUND -- * Denotes Active Low (Ground to activate). GTX 32/33 MAINTENANCE MANUAL P/N 190-00304-60 Page 7 Rev. A

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GTX 32/33 MAINTENANCE MANUAL
Page 7
P/N 190-00304-60
Rev. A
6.3
Pin Assignment List
6.3.1
GTX 32 P3271
View of J3271 connector looking at unit
13
12
11
10
9
8
7
6
5
4
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
Pin
Pin Name
I/O
1
XPDR REMOTE POWER OFF
In
2
RS-232 IN 2
In
3
ALTITUDE A1
In
4
ALTITUDE C2
In
5
ALTITUDE A2
In
6
ALTITUDE A4
In
7
ALTITUDE C4
In
8
EXTERNAL IDENT SELECT*
In
9
ALTITUDE B1
In
10
ALTITUDE C1
In
11
ALTITUDE B2
In
12
ALTITUDE B4
In
13
POWER GROUND
--
14
SWITCHED POWER OUT
Out
15
AIRCRAFT POWER 1
In
16
XPDR SYSTEM ID PROGRAM*
In
17
EXTERNAL SUPPRESSION I/O
I/O
18
ALTITUDE D4
In
19
RS-232 IN 1
In
20
RS-232 OUT 1
Out
21
RESERVED
--
22
SQUAT SWITCH
In
23
AIRCRAFT POWER 2
In
24
RS-232 OUT 2
Out
25
SIGNAL GROUND
--
* Denotes Active Low (Ground to activate).