Garmin GMA 342 Installation Manual page 42

Pin
36 INNER MARKER LAMP OUT
37 OUTER MARKER LAMP OUT
38 MIDDLE MARKER LAMP OUT
39 MIDDLE MARKER SENSE OUT
40 PASS HEADSET AUDIO OUT LEFT
41 PASS HEADSET AUDIO OUT RIGHT
42 PASS HEADSET AUDIO OUT LO
43 ALERT 3, 4, AUX 3 AUDIO IN LO
44 ALERT 4 AUDIO IN HI
*Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)
4.2.2 J3402 Connector
Pin
1 PILOT HEADSET AUDIO OUT LO
2 COPILOT HEADSET AUDIO OUT LO
3 COPILOT HEADSET AUDIO OUT LEFT
4 COPILOT HEADSET AUDIO OUT RIGHT
5 LIGHTING BUS 14V LO/28V LO
6 LIGHTING BUS 14V HI/28V LO
7 LIGHTING BUS 14V HI/28V HI
8 AIRCRAFT POWER
9 AIRCRAFT POWER
10 POWER GROUND
11 POWER GROUND
12 PA MUTE* OUT
13 PASSENGER ICS KEY*
14 ALERT 2 LO, FAILSAFE AUDIO IN LO
15 ALERT 2 AUDIO IN HI
16 PILOT HEADSET AUDIO OUT LEFT
17 RS-232 IN
18 RS-232 OUT
19 PA MODE SELECTED*
20 COM SWAP*
21 GROUND
22 PLAY KEY*
*Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)
190-01878-02
Rev. 5
Table 4-1 J3401 Pin Assignments
Pin Name
Table 4-2 J3402 Pin Assignments
Pin Name
GMA 342/345 Installation Manual
I/O
OUT
OUT
OUT
OUT
OUT
OUT
--
--
IN
I/O
--
--
OUT
OUT
--
IN
IN
IN
IN
--
--
OUT
IN
--
IN
OUT
IN
OUT
OUT
IN
--
IN
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