
SYSTEM CONFIGURATION
CWNESJ
33
SINGLE RECEIVER
A single 4280 RF receiver can uniquely identify up to 64 transmitters within a
nominal 200’ range, without the work of hard-wiring a brge premises, and is
suitabfe for many instaiiatiins.
Diagmm 10. SlNGLE.WlRELESS RECEIVER CONFIGURATION
USING TWO
RECEIVERS FOR
REDUNDANCY
For additional security, some installations might warrant a redundant
configuration. This means that 2 receivers, connected to the same P-wire
polling loop, are used and set to the same house ID. Each of these receivers
listens to all of the transmitters on the job, but If one receiver happens to fail
or is sabotaged, or a path from one or more transmitters is inadvertently
blocked by a metal object, the other one will still be there to detect aiarms.
and fautts, and to supervise the transmitters. Roth 4280s (or 4280-8s) are
fully supervised so that ff one does fail or is deliberately sabotaged, you’ll
know about it.
cI----_
NH
-.
Diagram 11. TWO WIRELESS RECEIVERS REDUNDANT CONFIGURATION
ADEMCO’s VISTA iSA4 SERIES TECIiNKAL REFERENCE MANUAL
WWW.DIYALARMFORUM.COM
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