PS Engineering PMA8000C Installation Manual - Manual (Page 36)

PS Engineering
PMA8000C Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-890-0303 Appendix C Rev. 3, May 2014
Appendix C – J1 PMA8000C Connector Interconnect
Com 1 Audio Hi
Com 1 Mic Key
Com 1 Lo Communications
Transceiver #1
Communications
Transceiver #2
Nav 1 Audio Hi
Nav 1 Audio Lo
VHF Nav 1
Nav 2 Audio Hi
Nav 2 Audio Lo
VHF Nav 2
DME Audio Hi
DME Audio Lo
DME Receiver
Com 2 SPR Load
Unswitched Input #1 Hi
Unswitched Audio Lo
Unswitched Audio #1
Unswitched Input #2 Hi
Unswitched Audio Lo
Unswitched Audio #2
Pilot Mic Audio Hi
Pilot Mic PTT
Pilot Mic Lo
36
37
38
39
MKR Ant.
1
2 RG-58A/U Coax
9
10
11
12
Com 1 Mic Audio Hi
Com 2 Audio Hi
Com 2 Mic Key
Com 2 Lo
13
14
15
30
Com 2 Mic Audio Hi
17
18
19
20
21
22
Com 2 Spr Load
Com 2 Spr Load 27
28
31
32
44
43
33
34
35
3
4
5
6 COM 3 Audio Hi
COM 3 Mic Audio Hi
COM 3 Audio Lo
ADF Audio Hi
ADF Audio Lo
ADF Receiver 7
8
Notes:
1. All shields should be grounded at audio panel only.
Other end remains floating.
2. All Power, and Ground wires shall be #22 gage wire
Lighting #22 AWG, other wires minimum #24 AWG
3. All mic and headphone jacks must be isolated from ground.
4. Speaker loads may be required on some older transceivers.
Consult manufacturer's information.
COM 2 Speaker load is the only one provided in the PMA8000.
5. All shielded wires must be MIL 22750 or 27500.
6. Unswitched inputs 1, is always presented to speaker
and crew headphones, regardless of SPR switch or PTT.
7. COM active output provides a logic low when there
is activity on COMs or other selected audio. This is used to prioritze
audio warnings in some systems.
8. No connection to pins 25, and 26
9. DME audio is passed when AUX button is pressed
10. Unswitched #3 is adjustable
11. Unswitched #2 is selectable over the speaker
12. Headphone connections for PMA8000C -0303 only.
See PMA8000C -0313 wirng diagram for expansion
Pilot PTT
See Note 4
PMA8000C Connector, J1 (Sub-D 44-pin, male on tray)
Unswitched Input #3 Hi
Unswitched Audio Lo
Unswitched Audio #3
29
See Note 6, 10 & 11
Pass. Phones (R)
Pass Phones (L)
Pass. Phones Lo
Pass. 1 PhonesJack
Pass. 4 Phones Jack
Ext. Marker Lamp (Blue)
Ext. Marker Lamp (White)
Ext. Marker Lamp (Amber)
MM Sense Output
White Lamp Output
Blue Lamp Output
Amber Lamp
MM Sense
Ext. Marker Annunciator Pass. 3 Phones Jack
Pass. 2 Phones Jack
24 COM Active Output
See Note 7
AUX Audio Hi
AUX Audio Lo AUX Receiver 23
41
40
42
Communications
Transceiver #3
COM 3 Mic Key
Airframe Ground
See Note 12