_________________________________________________________________
GMA
347
Maintenance
Manual
Page
3
‐
3
190
‐
00325
‐
02
Rev.
A
Table
3
‐
1.
J3471
Pin
Assignments
(Continued)
Pin
Pin
Name
I/O
38
UNSWITCHED
AUDIO
IN
3
HI
In
39
UNSWITCHED
AUDIO
IN
LO
In
40
RESERVED
‐‐
41
RESERVED
‐‐
42
TEL
AUDIO
IN
HI
In
43
TEL
AUDIO
IN
LO
In
44
PASS
3
MIC
AUDIO
IN
HI
In
45
PASS
3
MIC
AUDIO
IN
LO
In
46
PASS
1
MIC
AUDIO
IN
HI
In
47
PASS
1
MIC
AUDIO
IN
LO
In
48
PASS
HEADSET
AUDIO
OUT
LO
Out
49
COPILOT
MIC
AUDIO
IN
HI
In
50
COPILOT
MIC
KEY*
IN
In
51
COPILOT
MIC
IN
LO
In
52
COPILOT
ICS
KEY*
In
53
RESERVED
‐‐
54
ALTITUDE
WARN
AUDIO
IN
HI
In
55
ALTITUDE
WARN
AUDIO
IN
LO
In
56
MUSIC
IN
2
LEFT
In
57
MUSIC
IN
2
RIGHT
In
58
COM
3
AUDIO
IN
HI
In
59
COM
3
AUDIO
LO
I/O
60
RESERVED
‐‐
61
RESERVED
‐‐
62
TEL
MIC
AUDIO
OUT
LO
Out
63
PASS
4
MIC
AUDIO
IN
HI
In
64
PASS
4
MIC
AUDIO
IN
LO
In
65
PASS
2
MIC
AUDIO
IN
HI
In
66
PASS
2
MIC
AUDIO
IN
LO
In
67
PASS
HEADSET
AUDIO
OUT
LEFT
Out
68
PASS
HEADSET
AUDIO
OUT
RIGHT
Out
69
COPILOT
HEADSET
AUDIO
OUT
LEFT
Out
70
COPILOT
HEADSET
AUDIO
OUT
RIGHT
Out
71
COPILOT
HEADSET
AUDIO
OUT
LO
Out
72
RESERVED
‐‐
73
RESERVED
‐‐
74
AUX
AUDIO
IN
HI
In
75
AUX
AUDIO
IN
LO
In
76
MUSIC
IN
2
LO
In
77
COM
3
MIC
AUDIO
OUT
HI
Out
78
COM
3
MIC
KEY*
Out
*
Denotes
Active
Low
(Inputs:
ground
to
activate;
Outputs:
grounded
when
active).
