Audio International, Inc. PA-7500A Installation
Document # 540056A, Rev. A, 7/2000
Page 8 of 11
3.7
Mating Connector Information
All wiring harnesses to the unit are supplied and fabricated by the
installing agency. P1 mating connector is SD25F10HVL0. P2 mating
connector is SD27F10HVL0.
3.8 Pinout
Assignment
and
Descriptions
P1 P2
Pin #
Description
Pin #
Description
1
Left Speaker 1 – High
1
No Connection
2
Left Speaker 2 – High
2
PA MIC +
3
Left Speaker 1 – Low
3
Wgt-On-Wheels Input (Ground)
4
Left Speaker 2 – Low
4
B
5
Woofer
1
– Low
5
No Connection
6
+ 28 VDC
6
Left In +
7
+ 28 VDC
7
Left In -
8
+ 28 VDC
8
Right In +
9
Woofer
2
– Low
9
Right In -
10
Right Speaker 1 – Low
10
Data Bus Shield
11
Right Speaker 2 – Low
11
+28 VDC (Adj)
12
Right Speaker 1 – High
12
Data Bus Ground (Adj)
13
Right Speaker 2 – High
13
Data Bus SER + (Adj)
14
Woofer
1
– High
14
Data Bus SER – (Adj)
15
Emergency Bus +28 VDC In
15
No Connection
16
+ 28 VDC
16
No Connection
17
+ 28 VDC
17
No Connection
18 Ground
18 No
Connection
19 Ground
19 No
Connection
20 Ground
20 PA
MIC
-
21 Ground
21 No
Connection
22 Chassis
Ground
22 Briefer
-
23 Ground
23 No
Connection
24 Ground
24 PA
MIC
Key
25
Woofer
2
– High
25
Briefer Key
26
+ PA Output
27
- PA Output
28
PA Key Out
29
Data Bus SER Data +
30
Data Bus SER Data -
31
Chime In (+28 VDC)
32
TT Chime In (+28 VDC)
33
Call In (GND)
34
Hook In (GND)
35
PA Si
36
High
Tone
37
Low
Tone
