User guide

Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010 61
One Speaker Circuit Application Examples
5.3.2 Dual Channel
This application provides two channels of input audio that can be directed to the ACC-25/50DA
speaker circuit. The FACP can control the CMD1 and CMD2 inputs on the ACC-25/50DA to route
riser audio from the ACC-25/50 or select the ACC-25/50DA onboard tone generator or optional
message generator (FC-MGM) to be routed to the speaker circuit.
TB1 TB2
1 2 3 41 2 3 4 5 6
+
+
+
+
-
-
-
-
-
-
-
-
+
+
++
Figure 5.2 One 25 Watt Speaker Circuit - Dual Channel
Style Z
Note: Model R-4.7K, 1 watt
EOL resistor P/N: 75470
(used for Style Y - Class B only)
First ACC-AAM25
accdapp52.wmf
ACC-25/50
ACC-25/50DA Main Circuit Board
alarm polarities shown for all circuits
Style Z Style Z
4.7K ELRs P/N: 27072
Host FACP
NAC1 NAC2
25V
RMS
Audio
Riser Out
MASTER
CMD BUS
ACC-AAM25
Out to next Distributed
Audio Panel