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