Table 4-2 J2402 Pin Assignments - Garmin GMA 245 Installation Manual

4.2.2 J2402 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 RESERVED
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 RESERVED
18 RESERVED
19 RESERVED
20 COM SWAP*
21 GROUND
22 PLAY KEY*
23 MUSIC 1 IN LEFT
24 MUSIC 1 IN RIGHT
25 MUSIC 1 IN LO
26 MUSIC 2 IN LEFT
27 MUSIC 2 IN RIGHT
28 MUSIC 2 IN LO
29 FAILSAFE WARN AUDIO IN HI
30 COPILOT ICS KEY*
31 PILOT HEADSET AUDIO OUT RIGHT
32 COPILOT MIC AUDIO IN HI
33 COPILOT MIC KEY* IN
34 COPILOT MIC AUDIO IN LO
35 PASS 1 MIC AUDIO IN HI
*Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)
190-01879-11
Rev. 6

Table 4-2 J2402 Pin Assignments

Pin Name
GMA 245/245R Installation Manual
I/O
--
--
OUT
OUT
--
IN
IN
IN
IN
--
--
--
IN
--
IN
OUT
--
--
--
IN
--
IN
IN
IN
--
IN
IN
--
IN
IN
OUT
IN
IN
--
IN
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