Appendix B - J1 Connector Interconnect - Honeywell Bendix/King KMA 30 Manual

Appendix B – J1 Connector Interconnect
Communications
Transceiver #1
Communications
Transceiver #2
See Note 4
Com 2 SPR Load
Telephone
VHF Nav 1
VHF Nav 2
ADF Receiver
DME Receiver
AUX Receiver
Unswitched Audio #1
Unswitched Audio #2
Unswitched Audio #3
Pilot PTT
MKR Ant.
RG-58A/U Coax
200-890-5464
Bendix/King by Honeywell
KMA 30 Audio Panel and Intercom System
Installation and Operator's Manual
KMA 30 Connector, J1 (Sub-D 44-pin, male on tray)
9
Com 1 Audio Hi
10
Com 1 Lo
11 1. All shields should be grounded at audio panel only.
Com 1 Mic Audio Hi
Com 1 Mic Key 12
2. All Power, and Ground wires shall be #22 gage wire
3. All mic and headphone jacks must be isolated from ground.
4. Speaker loads may be required on some older transceivers.
13
Com 2 Audio Hi
14
Com 2 Lo
5. All shielded wires must be MIL 22750 or 27500.
15
Com 2 Mic Audio Hi
6. Unswitched inputs 1, is always presented to speaker
Com 2 Mic Key 30
27
Com 2 Spr Load
7. COM active output provides a logic low when there
Com 2 Spr Load
28
3
TEL Audio Hi
8. No connection to pins 25, and 26
4
TEL Audio Lo
9. DME audio is passed when AUX button is pressed
TEL Mic Audio Hi 5
10. Unswitched #3 is adjustable
11. Unswitched #2 is selectable over the speaker
17
Nav 1 Audio Hi
18
Nav 1 Audio Lo
19
Nav 2 Audio Hi
Nav 2 Audio Lo
20
7
ADF Audio Hi
8
ADF Audio Lo
21
DME Audio Hi
DME Audio Lo 22
AUX Audio Hi
23
AUX Audio Lo
31
Unswitched Input #1 Hi
32
Unswitched Audio Lo
44
Unswitched Input #2 Hi
Unswitched Audio Lo
43
29
Unswitched Input #3 Hi
Unswitched Audio Lo
33
Pilot Mic Audio Hi
34
Pilot Mic PTT
Pilot Mic Lo
35
41
40
42
24
1
2
36
37
38
39
Appendix B
Notes:
Other end remains floating.
Lighting #22 AWG, other wires minimum #24 AWG
Consult manufacturer's information.
COM 2 Speaker load is the only one provided in the KMA 30.
and crew headphones, regardless of SPR switch or PTT.
is activity on COMs or other selected audio. This is used to prioritze
audio warnings in some systems.
Pass. Phones (R)
Pass Phones (L)
Pass. Phones Lo
COM Active Output
See Note 7
Ext. Marker Annunciator
White Lamp Output
Ext. Marker Lamp (White)
Blue Lamp Output
Ext. Marker Lamp (Blue)
Amber Lamp
Ext. Marker Lamp (Amber)
MM Sense
MM Sense Output
Pass. 1 PhonesJack
Pass. 2 Phones Jack
Pass. 3 Phones Jack
Pass. 4 Phones Jack
Rev.3, May 2010