PS Engineering PAC24 Installation Manual - Manual (Page 37)

PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-240-0010 Appendix B Rev. 24, Dec. 2013
7.2 Dual PAC24intercom audio wiring with Observer Configuration Units (050-240-0400, -0401 ONLY)
Pilot PTT
19
Z
Pilot Phones Lo
Pilot Phones D
Speaker Lo
Cockpit Speaker Hi
4
1
B
Pilot Mic Lo
Pilot Mic PTT
Pilot Mic Audio Hi
X
20
b
Copilot Phones Lo
Copilot Phones Hi
11-33 VDC
21
c Audio Low
PA Speaker Hi
Speaker Lo
Airframe Ground
A
2A
V V SCL
Music Low
Music In 7
11
Swap
Switch
2
23
22
b
Pass Audio Lo
Pax Phones
11-33 VDC
24
c Audio Low
Airframe Ground
A
2A
Music Low
Music In 7
2
22
23
25
25
Observer Phones Lo
Observer Phones D
Speaker Lo
Local Speaker Hi
Y Y SDA
18
14 V dimmer/Swap (Notes 12, 16)
U
28 V dimmer/Swap (Note 12, 16)
8
PA Mute (Note 8)
Pilot ICS key
Observer
CVR
4
1
Pilot-Copilot
21
Pass ICS in
Pass ICS out 24
19
Z
Observer Mic Lo
Observer Mic PTT
Observer Mic Audio Hi
17
Backlight Lo
Copilot Mic PTT
Copilot Mic Audio Hi
Copilot PTT
Swap
Switch
18
14 V dimmer/Swap (Note 2)
U
28 V dimmer/Swap (Note 2)
8
PA Mute (Note 8)
17
Backlight Lo
Speaker Lo
PA Speaker Hi B
CVR
Note 4
Crew Audio Panel Observer Audio Panel
Note 4 & 19
Note 4 & 19
a
Pass Audio Lo
Pax Mic