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GMA 240 Installation Manual Page 4-3
190-00917-01 Rev. A
4.2.2 J2402 Connector
Table 4-2. J2402 Pin Assignments
Pin Pin Name I/O
1
PILOT HEADSET AUDIO OUT LO --
2
COPILOT HEADSET AUDIO OUT LO --
3
COPILOT HEADSET AUDIO OUT LEFT OUT
4
COPILOT HEADSET AUDIO OUT RIGHT OUT
5
LIGHTING BUS 14V LO/28V LO --
6
LIGHTING BUS 14V HI/28V LO IN
7
LIGHTING BUS 14V HI/28V HI IN
8
AIRCRAFT POWER IN
9
AIRCRAFT POWER IN
10
AIRCRAFT GROUND --
11
AIRCRAFT GROUND --
12
RESERVED --
13
PILOT ISO MUSIC* IN IN
14
PILOT ISO MUSIC* RETURN --
15
ALERT 3 AUDIO IN HI IN
16
PILOT HEADSET AUDIO OUT LEFT OUT
17
RESERVED --
18
RESERVED --
19
BUTTON PRESS TONE ENABLE* IN IN
20
COM SWAP* IN IN
21
COM SWAP* IN RETURN --
22
RESERVED --
23
MUSIC 1 IN LEFT IN
24
MUSIC 1 IN RIGHT IN
25
MUSIC 1 IN LO --
26
MUSIC 2 IN LEFT IN
27
MUSIC 2 IN RIGHT IN
28
MUSIC 2 IN LO --
29
FAILSAFE WARN AUDIO IN HI IN
30
MUTE ON COM TX* IN IN
31
PILOT HEADSET AUDIO OUT RIGHT OUT
32
COPILOT MIC AUDIO IN HI IN
33
COPILOT MIC KEY* IN IN
34
COPILOT MIC AUDIO IN LO --
35
PASS 1 MIC AUDIO IN HI IN
36
PASS 1 MIC AUDIO IN LO --
37
PASS 2 MIC AUDIO IN HI IN
38
PASS 2 MIC AUDIO IN LO --
39
RESERVED --
40
RESERVED --
41
RESERVED --
42
RESERVED --
43
RESERVED --
44
RESERVED --
* Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)