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APPENDIX B Interconnect Drawings
15
14
13
COM 2 MIC
COM 2 AUDIO
COM 2 AUDIO
COM 1 MIC
AUDIO OUT HI
LO
IN HI
KEY* OUT
30
29
28
COM 2 MIC
CREW ISO* IN
RESERVED
KEY* OUT
44
43
ALERT 2
ALERT 2,3
HEADSET
AUDIO IN HI
AUDIO IN LO
AUDIO OUT
15
14
13
RESERVED
ALERT 3
PILOT ISO
PILOT ISO
AUDIO IN HI
MUSIC*
MUSIC* IN
RETURN
30
29
28
MUTE* ON
FAILSAFE
MUSIC 2 IN LO
COM TX IN
WARN AUDIO
IN HI
44
43
RESERVED
RESERVED
RESERVED
190-00917-01
Revision D
12
11
10
9
COM 1 MIC
COM 1 AUDIO
COM 1 AUDIO
AUDIO OUT HI
LO
IN HI
27
26
25
RESERVED
RESERVED
RESERVED
42
41
40
39
PASS
PASS
PASS
RESERVED
HEADSET
HEADSET
AUDIO OUT
AUDIO OUT
LO
RIGHT
LEFT
12
11
10
9
AIRCRAFT
AIRCRAFT
AIRCRAFT
GROUND
GROUND
POWER
27
26
25
MUSIC 2 IN
MUSIC 2 IN
MUSIC 1 IN LO
RIGHT
LEFT
42
41
40
39
RESERVED
RESERVED
RESERVED
G
M
A
2
4
0
J
2
4
0
1
8
7
6
AUX2 AUDIO
AUX2 AUDIO
RESERVED
IN LO
IN HI
24
23
22
RESERVED
RESERVED
AUX1 AUDIO
AUX1 AUDIO
IN LO
38
37
36
RESERVED
RESERVED
RESERVED
G
M
A
2
4
0
J
2
4
0
2
8
7
6
AIRCRAFT
LIGHTING
LIGHTING
POWER
BUS 14V
BUS 14V
HI/28V HI
HI/28V LO
24
23
22
MUSIC 1 IN
MUSIC 1 IN
RESERVED
COM SWAP*
RIGHT
LEFT
IN RETURN
38
37
36
PASS 2 MIC
PASS 2 MIC
PASS 1 MIC
AUDIO IN LO
AUDIO IN HI
AUDIO IN LO
5
4
3
TEL MIC
TEL AUDIO LO
TEL AUDIO IN
AUDIO OUT HI
HI
21
20
19
18
NAV 2 AUDIO
NAV 2 AUDIO
NAV 1 AUDIO
IN HI
IN LO
IN HI
IN LO
35
34
33
PILOT MIC
PILOT MIC
PILOT MIC
AUDIO IN LO
KEY* IN
AUDIO IN HI
5
4
3
COPILOT
COPILOT
LIGHTING
BUS 14V
HEADSET
HEADSET
AUDIO OUT
AUDIO OUT
LO/28V LO
RIGHT
LEFT
21
20
19
18
COM SWAP*
BUTTON
RESERVED
IN
PRESS TONE
ENABLE* IN
35
34
33
PASS 1 MIC
COPILOT MIC
COPILOT MIC
AUDIO IN HI
AUDIO IN LO
KEY* IN
Figure B-2 GMA 240, J2401 & J2402 Connector Layout Drawing
2
1
RESERVED
RESERVED
17
16
NAV 1 AUDIO
MASQ
IN HI
INHIBIT* IN
32
31
ALERT 1
ALERT 1
AUDIO IN LO
AUDIO IN HI
2
1
COPILOT
PILOT
HEADSET
HEADSET
AUDIO OUT
AUDIO OUT
LO
LO
17
16
RESERVED
PILOT
HEADSET
AUDIO OUT
LEFT
32
31
COPILOT MIC
PILOT
HEADSET
AUDIO IN HI
AUDIO OUT
RIGHT
GMA 240 Installation Manual
Page B-4
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