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Appendix B Bottom Connector Interconnect - Honeywell BENDIX/KING KMA28 Installation And Operation Manual

Audio amplifier /intercom/marker beacon receiver
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Appendix B Bottom Connector Interconnect

Communications
Transceiver #1
Com 1 SPR Load
Communications
Transceiver #2
Com 2 SPR Load
Communications
Transceiver #3
J3
V
Note 10
W
K
VHF Nav 1
VHF Nav 2
Ext. Mkr Audio
ADF Receiver
DME Receiver
AUX Audio
Unswitched Audio #1
Unswitched Audio #2
Pilot PTT
See Note 3
Ext. Marker Lamp (White)
Ext. Marker Lamp (Blue)
Ext. Marker Lamp (Amber)
MKR Ant.
MM Sense Output
See Note 7
PA Mute Trigger
11-33 VDC
2A (14VDC)
3A (28VDC)
See Note 4, 9
006-10565-0000
Bendix/King
KMA28
Audio Amplifier/Intercom/Marker Beacon Receiver
Com 1 Audio Hi
Com 1 Lo
Com 1 Mic Audio Hi
Com 1 Mic Key
Com 1 Spr Load
Com 1 Spr Load
See Note 8
Com 2 Audio Hi
Com 2 Lo
Com 2 Mic Audio Hi
Com 2 Mic Key
Com 2 Spr Load
Com 2 Spr Load
Com 3 Audio Hi
Com 3 Lo
Com 3 Mic Audio Hi
Com 3 Mic Key
Cellphone A
Cellphone B
Nav 1 Audio Hi
NAV 1 Audio Lo
Nav 2 Audio Hi
Nav 2 Audio Lo
Mkr Audio In Hi
Mkr Audio In Lo
ADF Audio Hi
ADF Audio Lo
DME Audio Hi
DME Audio Lo
AUX Audio Hi
AUX Audio Lo
Unswitched Input #1 Hi
Unswitched Audio Lo
Unswitched Input #2 Hi
Unswitched Audio Lo
Pilot Mic Audio Hi
Pilot Mic PTT
Pilot Mic Lo
Pilot Phones (L)
Pilot Phones (R)
Pilot Phones Lo
Speaker Hi
Speaker Lo
White Lamp Output
Blue Lamp Output
Amber Lamp
MM Sense
RG-400A/U Coax
28 Volt Lights Hi
14 V Lights Hi
Lights Lo
See Note 4, 9
Ground
Airframe Ground
Appendix B
Bottom Connector, J1
9
Notes:
P
1. Pins 7, U, and X not used.
R
2. All shields should be grounded
19
at audio panel only.
L
Other end remains floating.
3. Speaker and Pilot Headphone
10
ground returns MUST be kept
H
separate and connected to pin 22.
V
4. All Power, and Ground wires must be #18 gage wire
16
Lighting #22 AWG, other wires minumum #24 AWG
M
5. Pilot mic and headphone jacks
J
must be isolated from ground.
6. Pin 20 connected through a 3 A breaker.
K
7. PA Mute is a TTL level logic output
15
that is pulled low when PTT active.
8. Speaker loads may be reqired on some
14
transceivers. Consult manufacturer's information.
N
9. 28V installations require a 3 A breaker.
10. Interface information shown for AirCell phone only.
12
Ground shield at J3 only.
11. All shielded wires must be MIL 22750 or 27500.
13
12. Connect pilot headphone (L) to top connector, Pin 1,
using 3-conductor wire.
21
13. Key pin between pin 7 and 8.
S
6
11
T
17
8
Y
To Pin 1
3
Top Conn.
See Note 12
W
22
C
5
4
2
B
A
F
D
E
18
20
1
Z
Rev. 0, Sept. 2000

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