DAA2 & DAX — P/N 53265:A1 8/24/2011 37
DAA2 Installation DAA2 Digital Audio Amplifiers
In Riser Mode to CIM/CSM Series Canadian Room Isolator Modules
When a DAA2’s Riser Mode is programmed R
ISER MODE TO CIM/CSM SERIES MODULES (Refer to
the DVC Digital Voice Command manual for programming), the amplified signal from the DAA2
is routed to a CIM-2A module, which feeds the signal to one or two CSM-1A modules.
A pre-announce tone of 800 Hz will clear a local silence.
Do not use background music in this mode. The DAA2 will provide speaker circuit supervision
only when idle.
Speaker Backup Circuits - TB1, TB14, TB15, TB16
The DAA2 supports one-to-one or one-to-many backup amplifier applications. A BDA-25/70V
backup amplifier may be used in a one-to-one backup application. Refer to “BDA Backup Digital
Amplifiers” on page 67 for information on the BDA-25/70V amplifier. Each DAA2 must be
designated a primary or backup amplifier through VeriFire Tools programming. The speaker wiring
from backup to primary is unsupervised when the backup amplifier is not active; therefore the
backup and primary amplifiers must be in the same enclosure, or in conduit within the same room.
NOTE: The DAA2-5070 speaker circuit risers are non power-limited when used with Canadian
room isolator modules. Speaker Circuit 1 can not be used with these modules.
All DAA2-5025 and DAA2-7525 speaker circuit risers are power-limited when used with Canadian
room isolator modules.
Figure 2.25 DAA2 Riser Mode to CIM-2A/CSM-1A Modules
CIM-2A
DAA2
To next module,
EOL resistor, or
Class A return.
CSM-1A
CSM-1A
DAA2risrmode_CIMCSM.wmf
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