Specifications
PS Engineering 
PMA8000B Audio Selector Panel and Intercom System 
Installation and Operator’s Manual 
200-890-0100  Page 2-12  Rev. 13, Dec. 2009 
2.9  PMA8000B Pin assignments 
J1 
Function 
J2 
Function 
1 
Mkr Ant 
1 
Pilot Phones Low 
2 
Mkr Ant Low 
2 
Copilot Phones Low 
3 
Telephone Audio in 
3 
Copilot Phones (L) 
4 
Telephone Low 
4 
Copilot Phones (R) 
5 
Telephone Mic Audio 
5 
Lights Low 
6 
Telephone Mic Key 
6 
14/28 V Lights 
7 
ADF Audio In 
7 
14/28 V Lights 
8 
ADF Audio Low 
8 
Aircraft Power 
9 
Com 1 Audio 
9 
Aircraft Power 
10 
Com 1 Audio Low 
10 
Aircraft Ground 
11 
Com 1 Mic 
11 
Aircraft Ground 
12 
Com 1 Mic Key 
12 
PA Mute 
13 
Com 2 Audio 
13 
Mute Inhibit 
14 
Com 2 Audio Low 
14 
Mute Inhibit Low 
15 
Com 2 Mic 
15 
Unswitched #4 
16 
No Connect 
16 
Pilot Phones (L) 
17 
Nav 1 Audio 
17 
No connect 
18 
Nav 1 Audio Low 
18 
Misc (AUX) logic output 
19 
Nav 2 Audio 
19 
PA Enable Output 
20 
Nav 2 Audio Low 
20 
Swap 
21 
DME Audio 
21 
Swap Low 
22 
DME Audio Low 
22 
IRS Playback 
23 
Auxiliary Audio Input 
23 
Music 1 (L) 
24 
CNX80 Inhibit 
24 
Music 1 (R) 
25 
No connect 
25 
Music 1 Low 
26 
No connect 
26 
Music 2 (L) 
27 
Com 2 Speaker Load 
27 
Music 2 (R) 
28 
Com 2 Speaker Load 
28 
Music 2 Low 
29 
Unswitched Audio 3 
29 
No Connect  
30 
Com 2 Mic Key 
30 
No Connect  
31 
Unswitched # 1 
31 
Pilot Phones (R) 
32 
Unswitched #1 Low 
32 
Copilot Mic Audio 
33 
Pilot Mic Audio 
33 
Copilot Mic PTT 
34 
Pilot Mic PTT 
34 
Copilot Mic Low 
35 
Pilot Mic Low 
35 
Pass 1 Mic Audio 
36 
Ext IM MKR 
36 
Pass 1 Mic Audio Low 
37 
Ext OM MKR 
37 
Pass 2 Mic Audio 
38 
Ext MM MKR 
38 
Pass 2 Mic Audio Low 
39 
MM Sense 
39 
Pass 3 Mic Audio 
40 
Pass HP (L) 
40 
Pass 3 Mic Audio Low 
41 
Pass HP (R) 
41 
Pass 4 Mic Audio 
42 
Pass HP Low 
42 
Pass 4 Mic Audio Low 
43 
Unswitched #2 Low 
43 
Speaker Low 
44 
Unswitched #2 Audio 
44 
Speaker Output 










