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 communications. Often, the success of the security process relies
exclusively on this communication system for intrusion and attempted
intrusion notifications. The two principal wiring types used with the IDS
are proprietary and telephone lines. Both of these permit low-voltage
circuits in multiples of pairs of wires.
7.2.1.2 Video Data. The communication link between camera and monitor in
the simple closed-circuit television system is most often on hardwire,
coaxial cable networks. This cable provides shielding and grounding
characteristics that are critical for video signal quality. Degraded signal
conditions can
13.02-104
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