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The 4603-60 operates on the DTI-specified frequency for alarm systems, and
can be used as a one or two channel alarm transmitter, Personal Attack
button, door contact, or a Boat/Caravan single zone alarm panel.
Physical Layout
Figure 6. 4603 PCB Layout
Three sets of input terminals occupy the bottom of the circuit card. Immedi-
ately above a group of 12 DIL switches provide a means for setting the radio
site code. Above again and to the right a set of six DIL switches control the
general operation of the transmitter. The left side of the circuit card holds a
soldered-in Lithium battery, and the BNC aerial connector.
The 4603-6x series provide three sets of input connectors: A, B, and I/P Con.
Each set of three connectors comprises positive (+Ve), input, and Ground
(Gnd).
The lower left corner of the circuit card holds the lid Tamper switch. The
switch is connected to screw terminals to left of the main inputs which are
isolated from any other circuits on the card. You can connect this output to
your own equipment. The switch contact opens when the lid opens, and
closes when the lid closes.
If you wish to use a keyswitch, Scantronic recommend the Lowe & Fletcher
mini keyswitch, part number 5021052. You can obtain the switch from Lowe
& Fletcher Ltd. (01179 721381).
4603
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