4-14
AFP-400 Installation
PN 50253:A2 03/12/96
Use an AA-30, AA-100 or AA-120 Audio Amplifier to back up one or more
amplifiers. If an amplifier fails, backup amplifier switching is automatic. To
connect amplified audio output:
use P6 for connection to VCM-4/VCE-4; or
use P8 for connection to CMX modules.
System Configuration Drawings
Installing a Backup
Amplifier
Cable 75110
System Amplifier #2
System Amplifier #1
Backup Amplifier
Cable 75110
AMG-1
Cable 75110
Unamplified AMG-1/
ATG-2 output tone or
voice message
Field wiring to
speaker circuits
Cables must enter from
top of the plug.
Cable
75109
Shield
Optional
supervision
Cable
75108
Cable
75108
Audio output