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Alarm installation Paradox, CCTV?
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<blockquote data-quote="chrisc" data-source="post: 823373" data-attributes="member: 746"><p>The long-term reliability of zone doubling is not great. For the sake of saving R400 on another expander module, or going BUS wired devices, I would not recommend it. </p><p></p><p>Should the resistance of the loop alter for any reason, one side of the zone-doubled circuit will exhibit a fault</p></blockquote><p></p>
[QUOTE="chrisc, post: 823373, member: 746"] The long-term reliability of zone doubling is not great. For the sake of saving R400 on another expander module, or going BUS wired devices, I would not recommend it. Should the resistance of the loop alter for any reason, one side of the zone-doubled circuit will exhibit a fault [/QUOTE]
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Alarm installation Paradox, CCTV?
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