Fire-Lite ACC-25/50DAZS Distributed Audio Panel - Manual (Page 63)

Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010 63
One Speaker Circuit With Backup Application Examples
5.4.2 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 TB1 TB2 TB2
1 2 3 4 1 2 3 4 1 2 3 4 5 6 1 2 3 4 5 6
+ + + + + + + + - - - - - - - -
Figure 5.4 One 25 Watt Speaker Circuit With Backup - Dual Channel
accd
ap
p4
2.w
m
f
Backup
Audio In
Supervisory
Polarity
Shown
Backup ACC-AAM25 First ACC-AAM25
Backup
Audio In
Style Z
Note: Model R-4.7K,
1 watt EOL resistor
P/N: 75470
(used for Style Y -
Class B only)
ACC-25/50
ACC-25/50DA Main Circuit Board
alarm polarities shown for all circuits
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
Backup ON
Style Z