4
496792
1. Introduction
System Features
Detectors
The control unit provides connections for up to eight separate detector
zones.
Each zone can be connected as a two wire Fully Supervised Loop
(FSL) or a four wire Closed Circuit Loop with global tamper. See "4. Program-
ming - Programming Commands" for the factory default settings and instruc-
tions on how to change the zone types and attributes.
9954 Hardwired Expanders
Each 9954 Expander provides an extra eight hardwired zones. The expander
can be configured to provide either Fully Supervised Loop (FSL), CCL, or
End of Line (EOL) zones.
9955 Radio Expander
Each 9955 Radio Expander allows you to connect up to eight radio detectors.
In addition each expander also provides for up to eight telecommands or PA
transmitters.
Note: The 9751 can only use a maximum of 24 zones. The 9752 can only use a
maximum of 32 zones.
The 9955 unit can work with the following devices on 868.6625MHz:
a)
719r.
A photoelectric smoke chamber type detector.
b)
715r.
A Passive Infra Red (PIR) movement detector with 15m standard
range . This detector has a three minute lockout time after detection, in
order to lengthen battery life.
c)
725r.
A Remote Setting Device (also known as a “telecommand”) that
can be used to full set, part set or unset the system. The 725r can also
be used as a Panic Alarm.
d)
726r.
A small radio transmitter that can be used to start a PA alarm.
e)
735r.
A universal transmitter that can be used as a door contact or for
connecting hardwired inputs.
f)
747r.
A Go/No Go test meter that
provides a simple method for survey-
ing potential radio sites.
g)
746r.
A test transmitter used with the 747rEUR for surveying potential
user sites.
Each radio detector and remote setting device contains a digital identity code
that the RFX unit ‘learns’ during installation. The code is one of over 16
million possibilities. This ensures that the RFX unit will not respond to any
other detectors or remote setting switches apart from the ones it has learned.
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