Toa FS-970 SERIES - Manual (Page 7)

7
3. BEFORE STARTING INSTALLATION
3.1. System Summary
• The FS-971 and FS-973 permit system expansion of up to 330 lines and up to 330 emergency zones.
• The FS-972 permits system expansion of up to 50 lines and up to 50 emergency zones.
• Each of the FS-971, FS-972 and FS-973 permits connection of eight emergency remote control units and
eight general remote control units.
General remote control unit
(RM-1200)
Up to 8 units
Emergency remote
control unit
(RM-971)
Up to 8 units
AUX control terminal
(15 terminals)
Remote Microphone Music playing machine
Grounding
Power cable
(Power supply solely intended
for emergency PA systems)
110/220 VAC (50/60 Hz)
Speaker line
FS-971 and FS-973 types: Up to 330 lines
FS-972 type : Up to 50 lines
No. of emergency zones
FS-971/FS-973 types: Up to 330 zones
FS-972 type : Up to 50 zones
Fire alarm system
Emergency power supply control unit
Speaker controller