PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-0100
Page 2-12
January 2020
2.6 PAC45D Pin assignments
P451
P452
Pin
FUNCTION
PIN
FUNCTION
1
COM2 KEY
1
UNSWITCHED AUDIO 2
2
COM1 KEY
2
COM 2 AUDIO HI
3
COM3 KEY
3
COM 1 AUDIO HI
4
COM4 KEY
4
COM 3 AUDIO HI
5
COM5 KEY
5
COM 4 AUDIO HI
6
OBSERVER PAX 6/HAND MIC KEY
6
COM 5 AUDIO HI
7
PILOT MIC KEY
7
NAV 1 AUDIO HI
8
COPILOT MIC KEY
8
NAV 2 AUDIO HI
9
PILOT ICS PTT
9
ADF 1 AUDIO HI*
10
COPILOT ICS PTT
10
ADF2 AUDIO HI*
11
ALERT 1 TRIGGER
11
DME AUDIO HI*
12
ALERT 2 TRIGGER
12
MKR AUDIO HI
13
ALERT 3 TRIGGER
13
UNSWITCHED AUDIO 1
14
PA MIC OUTPUT HI
14
MUSIC LEFT HI
15
PA MIC LO
15
MUSIC RIGHT HI
16
ALERT POWER
16
NO CONNECTION
17
AIRCRAFT POWER
17
COPILOT PHONES (L) HI
18
COM2 MIC AUD
18
PILOT PHONES (L) HI
19
COM1 MIC AUD
19
28 V LIGHTS
20
COM3 MIC AUD
20
UNSWITCHED AUDIO 2 LO
21
COM4 MIC AUD
21
COM 2 AUDIO LO
22
COM5 MIC AUD
22
COM 1 AUDIO LO
23
PAX 6/HAND MIC AUD
23
COM 3 AUDIO LO
24
PILOT MIC AUD IN
24
COM 4 AUDIO LO
25
COPILOT MIC AUD IN
25
COM 5 AUDIO LO
26
PASS1 MIC AUD
26
NAV 1 AUDIO LO
27
PASS2 MIC AUD
27
NAV 2 AUDIO LO
28
PAX 3 MIC AUDIO
28
ADF 1 AUDIO LO
29
PAX 4 MIC AUDIO
29
ADF 2 AUDIO LO
30
PAX 1/OBSERVER HP OUT
30
DME AUDIO LO
31
PAX 2 HP OUT
31
MKR AUDIO LO
32
PAX 3 HP OUT
32
UNSWITCHED AUDIO 1
33
PAX 4 HP OUT
33
MUSIC LEFT LO
34
AIRCRAFT GND
34
MUSIC RIGHT LO
35
COM 2 LO
35
NO CONNECTION
36
COM 1 LO
36
COPILOT PHONES LO
37
COM 3 LO
37
PILOT PHONES LO
38
COM 4 LO
39
COM 5 LO
40
PAX 6/HAND MIC LO
41
PILOT MIC LO
42
COPILOT MIC LO
43
PAX 1 MIC LO
44
PAX 2 MIC LO
45
PAX 3 MIC LO
46
PAX 4 MIC LO
47
PAX 1 PHONE LO
48
PAX 2 PHONE LO
49
PAX 3 PHONE LO
50
PAX 4 PHONE LO
*Audio presented on same switch/volume control
PRELIMINARY