Notifier DAX - Page 58

58 DAA2 & DAX — P/N 53265:A1 8/24/2011
DAX Digital Audio Amplifiers DAX Installation
Speaker and backup connections are illustrated in Figure 3.14.
 In Normal (NAC) Mode
When a DAX’s Speaker Riser Mode is programmed N
ORMAL (refer to the DVC Digital Voice
Command manual for programming description), the amplified signal from the DAX may be
connected directly to speakers. Following are illustrations of Class A and Class B configurations
(Figure 3.15).
Figure 3.15 Speaker Riser Mode: Normal
High-level audio
Out, Ckt 1
12-18 AWG twisted-pair
recommended
Figure 3.14 Speaker Circuit and Backup Connections
SHIELD
SHIELD
SHIELD
High-level audio
Out, Ckt 2
SHIELD
SHIELD
TB4
Backup In or
Thru, Ckt 1
Backup In or
Thru, Ckt 2
SHIELD
TB10
Backup In
or Thru,
Ckt 1
Backup In
or Thru,
Ckt 2
TB5
TB11
DAX
NOTE: The shield is connected at one end only.
High-
Level
Return
High-
Level
Out
R-10k
One DAX Class A
Circuit
Two DAX Class B
Circuits
20k ohm end-of-line resistor,
p/n ELR-20k
20k ohm end-of-line resistor,
p/n ELR-20k