Download PS Engineering PAC24 Specifications

PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
7.1
Dual PAC24 wiring with Observer Configuration Units
Com #1
T
3
C
Pilot ICS key
Pilot PTT
Com #2
Com #3
Com #4
Com #5
NAV
1
NAV
2
MKR
ADF
DME
Com 1 Audio Hi
Com 1 Audio Hi
Com 1 Lo
Com 1 Mic Audio Hi
Com 1 Mic Key
Com 1 Mic Audio Hi
Com 1 Mic Key
3
C
Com 2 Audio Hi
16
Com 2 Audio Hi
Com 2 Lo
Com 2 Lo
Com 2 Mic Audio Hi
Com 2 Mic Key
Com 2 Mic Audio Hi
Com 2 Mic Key
Com 3 Audio Hi
Com 3 Audio Hi
Com 3 Lo
Com 3 Lo
5
J
15
Com 3 Mic Audio Hi
Com 3 Mic Audio Hi
Com 3 Mic Key
Com 3 Mic Key
Com 4 Audio Hi
Com 4 Audio Hi
Com 4 Lo
Com 4 Lo
F
9
R
Com 4 Mic Audio Hi
Com 4 Mic Audio Hi
Com 4 Mic Key
Com 4 Mic Key
Com 5 Audio Hi
Com 5 Audio Hi
Com 5 Lo
Com 5 Lo
6
K
Com 5 Mic Audio Hi
Com 5 Mic Audio Hi
Com 5 Mic Key
Com 5 Mic Key
P
Nav 1 Audio Hi
NAV 1 Audio Lo
Nav 1 Audio Hi
NAV 1 Audio Lo
5
J
15
F
9
R
6
K
P
Nav 2 Audio Hi
Nav 2 Audio Lo
Nav 2 Audio Hi
Nav 2 Audio Lo
13
12
Mkr Audio In Hi
Mkr Audio In Lo
Mkr Audio In Hi
Mkr Audio In Lo
12
L
ADF Audio Hi
ADF Audio Lo
ADF Audio Hi
ADF Audio Lo
L
N
DME Audio Hi
DME Audio Lo
DME Audio Hi
DME Audio Lo
N
10
Unswitched Input #1 Hi
Unswitched Audio Lo
Unswitched Input #1 Hi
Unswitched Audio Lo
10
14
Unswitched Input #2 Hi
Unswitched Audio Lo
Unswitched Input #2 Hi
Unswitched Audio Lo
14
11
D
Z
19
Observer Mic Audio Hi
Observer Mic PTT
Observer Mic Lo
D
Pilot Phones Lo
Cockpit Speaker Hi
Speaker Lo
4
1
Speaker Lo
External Speaker Hi
B
Pass Mic Hi
E
H
S
13
Pilot Phones
Copilot PTT
T
Com 1 Lo
E
H
S
Z
19
Copilot Mic PTT
UNSW
2
16
Pilot Mic Audio Hi
Pilot Mic PTT
Pilot Mic Lo
Copilot Mic Audio Hi
UNSW
1
Observer Phones
Observer Phones Lo
4
1
20
X
Local Speaker Hi
Speaker Lo
Speaker Lo
B
23
Pilot-Copilot
22
22
Observer
23
a
PA Speaker Hi
a
Pax Mic Hi
Pass Mic Lo
Copilot Phones Hi
Pass Mic Lo
V
Y
21
24
b
V
Y
24
21
SCL
SDA
Pass ICS in
Pass ICS out
b
Pax Phones
Copilot Phones Lo
Music In
Pass Audio Lo
7
Notes:
Music Low
c
11-33 VDC
2A
14 V dimmer/Swap (Note 2)
Swap
Switch
28 V dimmer/Swap (Note 2)
Backlight Lo
PA Mute (Note 3)
Airframe Ground
Playback/ CVR
200-240-0008
25
18
Audio Low
1. When using Passenger intercom, connect passenger 1 mic to pin (a) of cockpit box and
passenger 2 mic to pin (a) of observer box. Both passenger headsets must be tied to
pin (b) of observer box.
2. For 14V aircraft, connect 18 to dimmer, and use u as the swap input.
For 28 V aircraft, connect u to dimmer, and use 18 as swap input.
Internal DIP switches must be set correctly.
3. PA Mute is a TTL logic output
4. Pin 2 is dual use. Connect to CVR or use IRS playback if DIP switch correcltly set.
U
17
7
c
A
A
U
17
8
2
2
Appendix A
Audio Low
25
18
8
Music In
Music Low
2A
11-33 VDC
Airframe Ground
14 V dimmer/Swap (Note 2)
28 V dimmer/Swap (Note 2)
Backlight Lo
Swap
Switch
PA Mute (Note 3)
Playback
Rev. 8, June 2003