Installation guide

VAR4 / VAR12 / VAR20 - Product Description
6.2 Audio Outputs
Separate connections are provided for connection to A and B amplifiers for each output. One output is able
to sustain a short circuit while leaving the other unaffected.
6.2.1 Base VAR4 Unit
The A+B circuit connections are implemented on 15-way male D connectors as described in the following
figures.
Pin No. Signal Description
1 OUT-1A+ Balanced Audio Output 1 A +
2 GROUND Ground
3 OUT-2A- Balanced Audio Output 2 A -
4 OUT-1A- Balanced Audio Output 3 A +
5 GROUND Ground
6 OUT-4A- Balanced Audio Output 4 A -
7 AUX-OUT+ Auxiliary Output + (Listen-in)
8 GROUND Ground
9 OUT-1A- Balanced Audio Output 1 A -
10 OUT-2A+ Balanced Audio Output 2 A +
11 GROUND Ground
12 OUT-3A- Balanced Audio Output 3 A -
13 OUT-4A+ Balanced Audio Output 4 A +
14 GROUND Ground
15 AUX-OUT- Auxiliary Output - (Listen-in)
MALE
1
2 3 4
12 13 14 159 10 11
5 6 7 8
OUT-1A
+ -
OUT-2A
+ -
OUT-3A
+ -
AUX-OUT
+ -
OUT-4A
+ -
GROUND
Audio OUT-A
Pin No. Signal Description
1 OUT-1B+ Balanced Audio Output 1 B +
2 GROUND Ground
3 OUT-2B- Balanced Audio Output 2 B -
4 OUT-3B+ Balanced Audio Output 3 B +
5 GROUND Ground
6 OUT-4B- Balanced Audio Output 4 B -
7 GROUND Ground
8 GROUND Ground
9 OUT-1B- Balanced Audio Output 1 B -
10 OUT-2B+ Balanced Audio Output 2 B+
11 GROUND Ground
12 OUT-3B- Balanced Audio Output 3 B -
13 OUT4B+ Balanced Audio Output 4 B +
14 GROUND Ground
15 GROUND Ground
MALE
1
2 3 4
12 13 14 159 10 11
5 6 7 8
OUT-1B
+ -
OUT-2B
+ -
OUT-3B
+ -
OUT-4B
+ -
GROUND
Audio OUT-B
L
AUX-OUT is used for ‘listen-in’ function. See Section “3.2.1.8 ‘Listen-in’ Function on Station
Master Console”.
Issue: 03 complete, approved
Page 47 of 68