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