Garmin GMA 342 Installation Manual page 58

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