Bendix/King
KMA28
Audio Amplifier/Intercom/Marker Beacon Receiver
Appendix C Top Connector Interconnect
J2 TOP CONNECTOR
1
2
3 B
12
11 N
4 D
5 E
6 F
7 H
8
9 K
Pass. Phones (L)
Pass Phones (R)
Pass. Phones Lo
Pass. Mic Hi
Pass. Mic Lo
Pass. Mic Hi
Pass. Mic Lo
Pass. Mic Hi
Pass. Mic Lo
Pass. Mic Hi
Pass. Mic Lo
Pilot Phones (L)
Copilot Phones (L) |
|
Copilot Phones (R) |
|
Copilot Phones Lo |
|
Pass. 1 PhonesJack |
|
Pass. 1 Mic Jack |
|
Pass. 2 Mic Jack |
|
Pass. 3 Mic Jack |
|
Pass. 4 Mic Jack |
|
Copilot Mic Audio |
|
Copilot Mic PTT | Copilot Mic Jack |
Copilot Mic Lo |
|
Pass. 2 Phones Jack
Notes 2, 4
Pass. 3 Phones Jack
Pass. 4 Phones Jack
16
15 T
Ent. #1 Audio (L) |
|
Ent. #1 Audio (R) | Ent. #1 Input |
Ent. #1 Audio Lo |
|
Notes:
14
13 R
10
Ent. #2 Audio (L)
Ent. #2 Audio (R)
Ent. #2 Audio Lo
Swap
Ent. #2 Input
1. | Pin C is reserved |
2. | All shields should be grounded at audio panel only. |
| Other end remains floating. |
3. | Reserved |
4. | All phone and mic jacks must be floating from ground. |
5. | Keying between pin 4 & 5. |
18
L
PA Mode
Note 10
6. | All should be MIL 22750 or 27500. |
| Minimum #24 AWG conductors |
7. | Passenger hook switches to be located at positions |
U
V
M
19
W
20 X 21 Y 22 Z
Copilot hook switch
Note 9
VOX Override
Ent. #2 Mute
Note 7
Passenger Hook Switches
Reserved
Reserved
Reserved
Reserved
Reserved Note 3
Reserved
Reserved
Reserved
| where phone access is desired. | |
|
| Grounding of any switch causes all passengers to be |
|
| heard on the cellphone. |
8. | Music 1 is heard in pilot and copilot positions only. | |
| Music 2 is heard in passenger positions only. | |
9. | Grounding pin U defeats IntelliVox and opens all microphones. | |
|
| Usually not connected |
10. | Grounding pin 18 places units into PA mode. | |
11. | Pin A is pulled low when AUX button pushed. | |
A
Control Output Note 11
Appendix C | Rev. 0, Sept. 2000 |