Circuit Connections Installation
XPIQ PN 51013:C 7/01/03 51
2.5.5 AIB-4/AIB-1 and ACT-2
The ACT-2 Audio Coupling Transformer provides a means to drive a large number of remote audio
amplifiers in large system applications. It isolates inputs from outputs and also provides common
mode noise rejection. Refer to the ACT-2 Product Installation Document for detailed information.
Note: When using the ACT-2, it must be installed on an AIB-4/AIB-1 which is mounted only in the
top row of the cabinet. The ACT-2 will not fit in any other cabinet position.
ON
ON
ON
ON
CH 1
CH 2
CH 3
CH 4
TBL
TBL
TBL
TBL
CH 1
TB1
SHL
S
SS
IN SH L
IN S
IN S IN S
IN-
IN-
IN- IN-
IN+
IN+
IN+ IN+
O
U
T
O
U
T
O
U
T
O
U
T
-
+
-
+
-
+
-
+
CH 2
CH 3
CH 4
P1
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4 5 6
+
+
-
-
IN
s
s
OUT
Figure 2.28 XPIQ-AIB Using an ACT-2
XPIQ-AIB4
FACP
AMG-1
AA-30
5 4
P4
2 1 6 5
P3 P8
ACT-2
Audio In
Audio Through
To additional XPIQs
in remote cabinets
To additional XPIQ-AIBs in other
XPIQs in the same cabinet
XPIQ-AIB4
Shield
XPIQACT2.CDR
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