Installation Plans
Installation planning should follow the guidelines mentioned earlier in ANSI/TIA/EIA-570A Amendment 1 and NEC articles 725 and 760. Important requirements are summarized in this section for RJ-31x jacks, motion detectors, and video surveillance systems.
Installing an RJ-31x Telephone Jack
A special type of telephone jack called an RJ-31x is required with all security systems that use a central alarm monitoring service. The home central monitoring panel sends a message to the monitoring station when the alarm is activated. If the telephone line is in use when an alarm message starts or a phone instrument is left off the hook, there needs to be a way to clear the line and override all other call activity. Otherwise, the alarm ...
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