18
2.2.5 Recommended Cable Routing Arrangement
It is recommended
that the typical
routing arrangement
shown in the diagram
opposite be
employed.
Segregate the low
voltage wiring (Loop
Circuit, Sounder
Circuits and AUX
Supply) from the AC
Mains Wiring.
Segregate any wiring
connected to the
relay contacts.
Refer to
for
further information on
cable types to be
used.
Refer to specific
sections on how to
install AC Mains input
and loop, sounder,
relay and AUX
outputs circuits.
WARNING:
HIGH VOLTAGE INSID
DO NOT REMOVE COVER
No Serviceable Parts Inside
Loop Drivers 1-4
Base Card
Chassis
AC Input
Loop 1 Loop 2 Loop 3 Loop 4
SND
3&4
SND
1&2
AUX PBUS
SW I/P
RLY1 RLY2
LOOPS
AUX, PBUS & SW I/P
RELAYS
SOUNDERS
AC INPUT
AC Input
–
Alternative
route behind
chassis and
use bottom
knockout
Internal arrangement showing recommended routing of cables.
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