190-01878-02
GMA 342/345 Installation Manual
Rev. 5
Page 4-2
5
WIRED TEL MIC OUT (GMA 342/345)
OUT
COM 3 MIC OUT (GMA 345 3-COM unit only)
6
RESERVED (GMA 342/345)
OUT
COM 3 MIC KEY* OUT (GMA 345 3-COM unit only)
7
RCVR 4 AUDIO IN HI (AUX 2)
IN
8
RCVR 4 AUDIO IN LO (AUX 2)
--
9
COM 1 AUDIO IN HI
IN
10
COM 1 AUDIO LO
--
11
COM 1 MIC AUDIO OUT HI
OUT
12
COM 1 MIC KEY* OUT
OUT
13
COM 2 AUDIO IN HI
IN
14
COM 2 AUDIO LO
--
15
COM 2 MIC AUDIO OUT HI
OUT
16
PILOT ICS KEY*
IN
17
NAV 1 AUDIO IN HI
IN
18
NAV 1 AUDIO IN LO
--
19
NAV 2 AUDIO IN HI
IN
20
NAV 2 AUDIO IN LO
--
21
RCVR 3 AUDIO IN HI (AUX 1)
IN
22
RCVR 3 AUDIO IN LO (AUX 1)
--
23
RCVR 5 AUDIO IN HI (AUX 3)
IN
24
COM ACTIVE* OUT
OUT
25
RESERVED (GMA 342/345)
--
WIRED TEL AUDIO IN HI (GMA 345 3-COM unit only)
IN
26
RESERVED (GMA 342/345)
--
WIRED TEL AUDIO IN LO (GMA 345 3-COM unit only)
IN
27
RESERVED (GMA 342/345)
--
WIRED TEL MIC OUT HI (GMA 345 3-COM unit only)
OUT
28
RESERVED (GMA 342/345)
--
WIRED TEL MIC OUT LO (GMA 345 3-COM unit only)
OUT
29
ALERT 3 AUDIO IN HI
IN
30
COM 2 MIC KEY* OUT
OUT
31
ALERT 1 AUDIO IN HI
IN
32
ALERT 1 AUDIO IN LO
--
33
PILOT MIC AUDIO IN HI
IN
34
PILOT MIC KEY* IN
IN
35
PILOT MIC AUDIO IN LO
--
Table 4-1 J3401 Pin Assignments
Pin
Pin Name
I/O
*Denotes Active Low (Inputs: ground to activate; Outputs: grounded when active)
