P/N 387463-
EN • REV 005 • ISS 18MAR19
3 / 4
Figure 4: Backup amplifier wiring
Notes
1
.
All wiring is supervised and power
-
limited.
2
.
Backup amplifier must be rated greater than or equal to the other amplifiers to which it is connected and must be installed in the same
enclosure.
3
.
Backup amplifier wiring must be rated greater than or equal to the field wiring used on amplifiers connected to the backup amplifier.
Figure 5: Typical wiring connecting to SIGA-AAxx audio amplifier
Notes
1
.
Configure the zone audio amplifiers for 25 VRMS
2
.
A maximum of 16 SIGA
-
AAxx audio amplifiers may be connected to the output
of a single zone audio amplifier
3
.
Shield required when the audio riser wiring shares the same conduit as the telephone riser