190-01878-02
GMA 342/345 Installation Manual
Revision 5
Page C-9
APPENDIX C INTERCONNECT DRAWINGS
Figure C-9 J3401 & J3402 Connector Layout Drawing for 3-COM units
30
COM 2 MIC
KEY* OUT
15
COM 2 MIC
AUDIO OUT HI
44
ALERT 4
AUDIO IN HI
13
COM 2 AUDIO
IN HI
43
ALERT 3, 4,
AUX 3 AUDIO
IN LO
29
ALERT 3
AUDIO IN HI
14
COM 2 AUDIO
LO
28
27
12
COM 1 MIC
KEY* OUT
42
PASS
HEADSET
AUDIO OUT
LO
41
PASS
HEADSET
AUDIO OUT
RIGHT
10
COM 1 AUDIO
LO
40
PASS
HEADSET
AUDIO OUT
LEFT
26
11
COM 1 MIC
AUDIO OUT HI
25
24
DISCRETE C
OUT* (COM
ACTIVE OUT)
9
COM 1 AUDIO
IN HI
39
MIDDLE
MARKER
SENSE OUT
38
MIDDLE
MARKER
LAMP OUT
7
RCVR 4
AUDIO IN HI
(AUX 2)
37
OUTER
MARKER LAMP
OUT
23
RCVR 5
AUDIO IN HI
(AUX 3)
8
RCVR 4
AUDIO IN LO
(AUX 2)
22
RCVR 3
AUDIO IN LO
(AUX 1)
21
RCVR 3
AUDIO IN HI
(AUX 1)
6
36
INNER MARKER
LAMP OUT
35
PILOT MIC
AUDIO IN LO
4
COM 3
AUDIO LO
34
PILOT MIC
KEY* IN
20
NAV 2 AUDIO
IN LO
5
COM 3
MIC OUT
19
NAV 2 AUDIO
IN HI
3
COM 3
AUDIO IN
33
PILOT MIC
AUDIO IN HI
2
MARKER
ANTENNA LO
32
ALERT 1
AUDIO IN LO
18
NAV 1 AUDIO
IN LO
1 (3-COM UNIT ONLY)
0
4
3
J
5
4
3
/
2
4
3
A
M
G
16
DISCRETE 1
INPUT* (PILOT
ICS KEY)
1
MARKER
ANTENNA HI
31
ALERT 1
AUDIO IN HI
17
NAV 1 AUDIO
IN HI
30
DISCRETE 6
INPUT*
(COPIILOT ICS
KEY)
15
ALERT 2
AUDIO IN HI
14
ALERT 2 LO,
FAILSAFE
AUDIO IN LO
44
SPEAKER
AUDIO OUT HI
13
DISCRETE 3
INPUT* (PASS
ICS KEY)
42
PASS 4 MIC
AUDIO IN LO
28
MUSIC 2 IN LO
43
SPEAKER
AUDIO OUT
LO
29
FAILSAFE
WARN AUDIO
IN HI
27
MUSIC 2 IN
RIGHT
41
PASS 4 MIC
AUDIO IN HI
12
DISCRETE D
OUT* (PA
MUTE OUT)
11
POWER
GROUND
10
POWER
GROUND
39
PASS 3 MIC
AUDIO IN HI
25
MUSIC 1 IN LO
40
PASS 3 MIC
AUDIO IN LO
26
MUSIC 2 IN
LEFT
24
MUSIC 1 IN
RIGHT
38
PASS 2 MIC
AUDIO IN LO
9
AIRCRAFT
POWER
8
AIRCRAFT
POWER
7
LIGHTING
BUS 14V
HI/28V HI
36
PASS 1 MIC
AUDIO IN LO
22
DISCRETE 5
INPUT* (PLAY
KEY)
37
PASS 2 MIC
AUDIO IN HI
23
MUSIC 1 IN
LEFT
21
GROUND
35
PASS 1 MIC
AUDIO IN HI
6
LIGHTING
BUS 14V
HI/28V LO
5
LIGHTING
BUS 14V
LO/28V LO
4
COPILOT
HEADSET
AUDIO OUT
RIGHT
33
COPILOT MIC
KEY* IN
19
DISCRETE F
OUT* (PA
MODE
SELECTED)
34
COPILOT MIC
AUDIO IN LO
20
DISCRETE 4
INPUT* (COM
SWAP)
18
RS-232 OUT
3
COPILOT
HEADSET
AUDIO OUT
LEFT
2
COPILOT
HEADSET
AUDIO OUT
LO
2 (3-COM UNIT ONLY)
0
4
3
J
5
4
3
/
2
4
3
A
M
G
16
PILOT
HEADSET
AUDIO OUT
LEFT
1
PILOT
HEADSET
AUDIO OUT
LO
31
PILOT
HEADSET
AUDIO OUT
RIGHT
17
RS-232 IN
32
COPILOT MIC
AUDIO IN HI
COM 3 MIC
KEY* OUT
WIRED TEL
AUDIO IN HI
WIRED TEL
AUDIO IN LO
WIRED TEL
MIC OUT HI
WIRED TEL
MIC OUT LO