PS Engineering
PAC45A Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-0100
Appendix E
January 2020
Appendix E, Unit Connector Wiring Reference
9.1 J451 Connections
Com 1 Mic Key
Pilot Mic Audio Hi
Pilot Mic Lo
19
2
36
Com 1 Mic Audio Hi
24
41
PAC45 Connectors, J451
P451
Com 1 Mic Low
Com 2 Mic Key
18
1
35
Com 2 Mic Audio Hi
Com 2 Mic Low
Com 3 Mic Key
20
3
37
Com 3 Mic Audio Hi
Com 3 Mic Low
Com 4 Mic Key
21
4
38
Com 4 Mic Audio Hi
Com 4 Mic Low
Com 5 Mic Key
22
5
39
Com 5 Mic Audio Hi
Com 5 Mic Low
Copilot Mic Audio Hi
Copilot Mic PT T
Copilot Mic Lo
25
42
PAX/OBS 1 Mic Audio Hi
PAX/OBS 1 Mic Lo
26
43
PAX 2 Mic Audio Hi
PAX 2 Mic Lo
27
44
PAX 3 Mic Audio Hi
PAX 3 Mic Lo
28
45
PAX 4 Mic Audio Hi
PAX 4 Mic Lo
29
46
23
6
40
P451
Pilot Mic PT T
8
7
11
12
13
16
ALERT 1
ALERT 2
ALERT 3
ALERT PWR
17
34
Pilot ICS PT T
9
Copilot ICS PT T
10
14
15
PA MIC AUD OUT
PA AUD LOW
Public Addess
PAX 1Phones Jack
30
47
PAX 1 PHN (L)
PAX 1 PHN Low
PAX 2 Phones J ac k
31
48
PAX 2 PHN (L)
PAX 2 PHN Low
PAX 3 Phones J ac k
32
49
PAX 3 PHN (L)
PAX 3 PHN Low
PAX 4 Phones J ac k
33
50
PAX 4 PHN (L)
PAX 4 PHN Low
PAX 5 Phones J ac k
PAX 5 PHN (L)
PAX 5 PHN Low
PAX 6 Phones J ac k
PAX 6 PHN (L)
PAX 6 PHN Low
1A
S ee 2.4.3.2
COM 1
COM 2
COM 3
COM 4
COM 5
Add'l POSN or PAX 6
Mic Audio Hi
Add'l Mic PT T
Mic Lo
Power Ground
+28V ACRFT POW ER
PRELIMINARY
