Toa FS-971 SERIES - Manual (Page 12)

Under 1200 m
Over ø1.2 mm
Over ø0.5 mm
12
4. CONNECTION OF REMOTE MICROPHONE RM-1100
(AUX CONTROL TERMINAL)
4.1. Notes on Connections
The maximum cable distance between the main rack and the RM-1100 is 1200 m.
Use two-core shielded cables for signal lines.
Use twisted paired cables for control lines.
Referring to the table below, select the cable to use depending on the cable length.
A maximum of eight (five when the first-in-first-out priority or individual unit priority function is used) RM-1100
units can be connected. However, the DC power supply panel may be additionally required when the JP-
0410's power capacity is insufficient depending on the system configuration.
• Cable length vs. usable cable
Under 800 m
Over ø0.9 mm
Over ø0.35 mm
Under 400 m
Over ø0.65 mm
Over ø0.26 mm
Cable length
Power/control cable
Shielded cable
To pre-amplifier
PP-025B line input
RM-1100
bottom-mounted terminal block
JP-0410 front-mounted middle row terminal block
C
E
H
Twin
shielded
cable
GND
GND
GND GND
GND GND
24 V CHIME
ACTI GEM RM PWR
1
1
2
2
3 4 5 6 7 8
1
9 10 11 12 13 14
IN USE
REMOTE REMOTE TIMER
GEN RM BUS
PWR FAIL
CTRL
AUX CONTROL
4.2. Connections
To connect the remote control unit to the AUX control terminal, operations for "writing" (registration) are
required. For details, refer to the Installation Manual - Writing.