190-01878-02
GMA 342/345 Installation Manual
Revision 5
Page C-3
APPENDIX C INTERCONNECT DRAWINGS
Figure C-3 J3402 Connector Example Interconnect Drawing
PILOT HEADSET LO
PILOT HEADSET RIGHT
PILOT HEADSET LEFT
COPILOT HEADSET LO
COPILOT HEADSET RIGHT
COPILOT HEADSET LEFT
AIRCRAFT POWER
AIRCRAFT POWER
POWER GROUND
POWER GROUND
PA MUTE* OUT
PA MODE SELECTED* OUT
COM SWAP* IN
MUSIC 1 IN LO
MUSIC 1 IN RIGHT
MUSIC1 IN LEFT
COPILOT MIC AUDIO IN LO
COPILOT MIC AUDIO IN HI
COPILOT MIC KEY* IN
PASS 3 MIC AUDIO IN LO
PASS 3 MIC AUDIO IN HI
PASS 4 MIC AUDIIO IN LO
PASS 4 MIC AUDIIO IN HI
PASS 2 MIC AUDIO IN LO
PASS 2 MIC AUDIO IN HI
PASS 1 MIC AUDIO IN LO
PASS 1 MIC AUDIO IN HI
SPEAKER AUDIIO OUT HI
SPEAKER AUDIO OUT LO
Aircraft Power Bus
5A
1
31
16
2
4
3
34
33
32
35
36
37
38
39
40
41
42
24
23
25
44
43
20
12
19
8
9
10
11
15
29
22
ALERT 2 AUDIO IN HI
FAILSAFE WARN AUDIO IN HI
PLAY KEY* IN
30
COPILOT ICS KEY* IN
14
RS-232 IN
RS-232 OUT
17
18
MUSIC 2 IN LO
MUSIC 2 IN RIGHT
MUSIC 2 IN LEFT
27
26
28
Alert 2 Audio
J3402 P3402
COPILOT PTT
Failsafe Audio
GMA 342/345
SEE NOTE 5,6
ALERT 2, FAILSAFE AUDIO LO
PASSENGER ICS KEY* IN
13
USE 22 AWG FOR POWER AND GROUND
GROUND
21
SPARE GROUND
CAN BE USED FOR ANY GROUND RETURN EXCEPT POWER OR MUSIC.
DO NOT USE FOR POWER OR MUSIC GROUND.
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
SEE NOTE 5
Cabin Speaker
SEE NOTE 9,16
SEE NOTE 5
SEE NOTE 19
SEE NOTE 5
SEE NOTE 19
USE 5 AMP BREAKER
SEE NOTE 14
LIGHTING BUS 14V LO/28V LO
LIGHTING BUS 14V HI/28V HI
5
7
SEE NOTE 10
LIGHTING BUS 14V HI/28V LO
6
REFER TO THE LIGHTING BUS WIRING DIAGRAM FOR WIRING OPTIONS.
S
S
S
S
S
S
S
S
S
S
S
S
Mute Trigger to EXT PA
ALTERNATE
PTT CONNECTION
COPILOT PTT
SEE NOTES 5, 6
