__________________________________________________________________
Page A-24
Cirrus Perspective Line Maintenance Manual
Rev. D
190-00920-00
J3471
Pin
Assignments
Pin
Pin
Name
I/O
1
FAIL
SAFE
WARN
AUDIO
IN
In
2
RESERVED
‐‐
3
TEL
RINGER
AUDIO
IN
HI
In
4
TEL
RINGER
AUDIO
IN
LO
In
5
RESERVED
‐‐
6
ON
‐
SIDE
NAV
AUDIO
IN
HI
In
7
ON
‐
SIDE
COM
AUDIO
IN
HI
In
8
ON
‐
SIDE
COM
AUDIO
LO
I/O
9
PILOT
HEADSET
AUDIO
OUT
LEFT
Out
10
PILOT
HEADSET
AUDIO
OUT
RIGHT
Out
11
PILOT
HEADSET
AUDIO
OUT
LO
Out
12
CROSS
‐
SIDE
COM
AUDIO
IN
HI
In
13
CROSS
‐
SIDE
COM
AUDIO
LO
I/O
14
CROSS
‐
SIDE
NAV
AUDIO
IN
HI
In
15
DME
AUDIO
IN
HI
In
16
DME
AUDIO
IN
LO
In
17
MUSIC
IN
1
LEFT
In
18
MUSIC
IN
1
RIGHT
In
19
UNSWITCHED
AUDIO
IN
1
HI
In
20
UNSWITCHED
AUDIO
IN
2
HI
In
21
RESERVED
‐‐
22
RESERVED
‐‐
23
TEL
MIC
AUDIO
OUT
HI
Out
24
PASS
ICS
KEY*
In
25
ON
‐
SIDE
NAV
AUDIO
IN
LO
In
26
ON
‐
SIDE
COM
MIC
AUDIO
OUT
HI
Out
27
ON
‐
SIDE
COM
MIC
KEY*
Out
28
PILOT
MIC
AUDIO
IN
HI
In
29
PILOT
MIC
KEY*
IN
In
30
PILOT
MIC
IN
LO
In
31
PILOT
ICS
KEY*
In
32
CROSS
‐
SIDE
COM
MIC
AUDIO
OUT
HI
Out
33
CROSS
‐
SIDE
COM
MIC
KEY*
Out
34
CROSS
‐
SIDE
NAV
AUDIO
IN
LO
In
35
ADF
AUDIO
IN
HI
In
36
ADF
AUDIO
IN
LO
In
37
MUSIC
IN
1
LO
In
*
Denotes
Active
Low
(Inputs:
ground
to
activate;
Outputs:
grounded
when
active).
Summary of Contents for Cirrus Perspective SR20
Page 2: ......
