190-01878-02
GMA 342/345 Installation Manual
Revision 5
Page C-2
APPENDIX C INTERCONNECT DRAWINGS
Figure C-2 J3401 Connector Example Interconnect Drawing
COM 1 AUDIO IN HI
COM 1 AUDIO LO
COM 2 AUDIO IN HI
COM 2 AUDIO LO
TEL AUDIO IN HI
TEL AUDIO LO
PASS HEADSET LO
PASS HEADSET RIGHT
PASS HEADSET LEFT
PILOT MIC KEY* IN
COM1
Transceiver
COM2
Transceiver
TEL
SYSTEM
NAV1 Radio
NAV2 Radio
AUX 1 Source
Alert 1 Audio
AUX 2 Source
Alert 4 Audio
PILOT PTT
9
10
11
12
13
14
15
30
3
4
5
17
18
19
20
21
22
7
8
31
32
44
35
34
33
41
40
42
(up to 4 jacks,
wired in parallel)
COM 1 MIC AUDIO OUT HI
COM 1 MIC KEY* OUT
COM 2 MIC AUDIO OUT HI
COM 2 MIC KEY* OUT
Alert 3 Audio
29
43
AUX 3 Source
23
SEE NOTE 8
NO CONNECT PINS 6,25,26,27,28
SEE NOTE 5,6
NAV 1 AUDIO IN HI
NAV 1 AUDIO IN LO
NAV 2 AUDIO IN HI
NAV 2 AUDIO IN LO
AUX 1 AUDIO IN HI
AUX 1 AUDIO IN LO
AUX 2 AUDIO IN HI
AUX 2 AUDIO IN LO
ALERT 1 AUDIO IN HI
ALERT 1 AUDIO IN LO
ALERT 4 AUDIO IN HI
TEL MIC AUDIO OUT HI
ALERT 3 AUDIO IN HI
ALERT 3, 4, AUX 3 AUDIO LO
AUX 3 AUDIO IN HI
ALERT 3, 4, AUX 3 AUDIO LO
ALERT 3, 4, AUX 3 AUDIO LO
PILOT MIC AUDIO IN LO
PILOT MIC AUDIO IN HI
SEE NOTE 5
SEE NOTE 12
SEE NOTE 13
SEE NOTE 13
SEE NOTE 8
SEE NOTE 8
(OR JACK TO MATCH
DESIRED PHONE)
GMA 342/345
J3401 P3401
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
COM ACTIVE* OUT
24
Inhibit Input of
Applicable
Audio Source
PILOT ICS KEY* IN
16
SEE NOTE 14
OUTER MARKER LAMP OUT
INNER MARKER LAMP OUT
36
37
MIDDLE MARKER LAMP OUT
38
EXT INDICATOR
MIDDLE MARKER SENSE OUT
39
SHIELD BLOCK GROUND
FLIGHT CONTROL
SYSTEM
S
1
2
MARKER ANTENNA HIGH
MARKER ANTENNA LO
MARKER BEACON ANTENNA
SEE NOTE 20
NOTE: Pressing the
AUX1 button selects/
deselects the AUX1
and AUX3 receivers
ALTERNATE
PTT CONNECTION
PILOT PTT
SEE NOTES 5, 6
COM 3 AUDIO IN HI
COM 3 AUDIO LO
COM3
Transceiver
3
4
5
6
COM 3 MIC AUDIO OUT HI
COM 3 MIC KEY* OUT
SEE NOTE 13
SEE NOTE 8
S
S
TEl AUDIO IN HI
TEL AUDIO LO
TEL
SYSTEM
25
26
27
TEL MIC AUDIO OUT HI
SEE NOTE 12
SEE NOTE 8
(OR JACK TO MATCH
DESIRED PHONE)
S
S
28
TEL MIC AUDIO OUT LO
GMA 345 3-COM (011-03520-20) ONLY
COM 3 AND TEL WIRING DIFFERENCES