User Manual

PS Engineering
PMA7000H Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-780-0429 Appendix C Rev. 4, Dec 2012
Appendix C Top Connector Interconnect
10
1
4
D
16
15
T
2
3
B
Copilot Phones (L)
Copilot Phones (R)
Copilot Phones Lo
Pilot Phones (L) -see bottom connector.
12
11
N
Pass. Phones (L)
Pass Phones (R)
Pass. Phones Lo
Pass. 1 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
Pass.5
PhonesJack
5
E
Pass. 2 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
6
F
Pass. 3 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
7
H
Pass. 4 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
Pass. 4
PhonesJack
8
9
K
Copilot Mic Audio
Copilot PTT
Copilot Mic Lo
Copilot PTT
Copilot Mic Jack
Swap
Switch
L
Copilot hook switch
V
Ent. #2 Mute
M
Passenger Hook Switches
Notes 2, 4
Note 7
Swap
PMA7000H J2 TOP CONNECTOR
Ent. #2 Input
14
13
R
Ent. #2 Audio (L)
Ent. #2 Audio (R)
Ent. #2 Audio Lo
A
______
Control Output
J
_________
C3 Duplex Mode Input
Notes 1, 10
18
________
PA Active
Note 11
Notes:
Ent. #1 Audio (L)
Ent. #1 Audio (R)
Ent. #1 Audio Lo
Ent. #1 Input
Pilot ICS PTT
CVR Audio Lo
Copilot CVR output
Copilot ICS PTT
Pilot CVR output
PTT ICS Enable
X
Y
20
21
22
W
Note 3
Ent. #1 Input
Alternate Music Interconnect
See Note 8
13
R
14
Ent. #2 Input
16
15
T
Copilot PhonesJack
Note 8
Note 5
Pass. 5 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
Pass. 6 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
Pass. 8 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
C
P
U
19
17
Pass.8
PhonesJack
Pass. 1
PhonesJack
Pass.7
PhonesJack
Pass.2
PhonesJack
Alt. Pass. Phones (L)
Alt. Pass Phones (R)
Pass. Phones Lo
Pass. 7 Mic Jack
Pass. Mic Lo
Pass. Mic Hi
S
Pass.3
PhonesJack
1.
Pin A is pulled low when AUX is active
2. All shields should be grounded at audio panel only
other end remains floating.
3. When ICS Enable is grounded, the ICS PTT are active
Connect return side of switches to airframe ground or Top Connector
Pin Z.
4. All phone and mic jacks must be floating from ground.
5. CVR outputs
6. All wiring to conform to MIL 22750 or 27500,
and must be shielded as shown.
7. Passenger hook switches to be located at positions
where phone acess is desired. Grounding of any switch
causes all passengers to be heard on the cellphone.
8. Music inputs are independent. Connect together to use
a single source for both inputs.
For music distribution information, see Section 3.6.3.1.
9. Reserved
10. When Pin J is grounded, the audio panel is in Com 3
duplex mode. This is used to interface with Satellite or cellular phone.
11. When pin 18 is switched to ground, the PA mode is activated,
placing pilot microphone on speaker output when PTT active.
See Sect 2.5.13.
Pass. 6
PhonesJack
Passenger 8 only
available in units with
serial numbers be-
ginning with “B and
above.