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Do-It-Yourself (DIY) Question & Answer Forum
Door Entry - One Handset, Two Doors?
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<blockquote data-quote="nkitson" data-source="post: 305614" data-attributes="member: 21730"><p>Hi,</p><p> </p><p>I have a user with an existing 5 wire Elvox audio + door release to the main door of her block of flats. This needs to be extended with an additional handset to her bedroom. She also needs an entry phone for her own flat door to the same bedroom.</p><p> </p><p>Ideally, there should be a single handset in her bedroom, either with one door release button that operates both door locks or two buttons, one for each lock.</p><p> </p><p>Anybody heard of a handset designed for this sort of application or a likely manufacturer/supplier?</p><p> </p><p>I would expect that adding a handset in parallel with the handset for the main door would work so long as there is enough power in the Call circuit to drive two buzzers?</p><p> </p><p>I imagine that driving two doors from one handset couldn't be made to work, even if diodes could be used to isolate the lock release (if the lock release uses DC - I haven't checked). It would be great to be proved wrong - giving her two phones will be untidy and confusing</p></blockquote><p></p>
[QUOTE="nkitson, post: 305614, member: 21730"] Hi, I have a user with an existing 5 wire Elvox audio + door release to the main door of her block of flats. This needs to be extended with an additional handset to her bedroom. She also needs an entry phone for her own flat door to the same bedroom. Ideally, there should be a single handset in her bedroom, either with one door release button that operates both door locks or two buttons, one for each lock. Anybody heard of a handset designed for this sort of application or a likely manufacturer/supplier? I would expect that adding a handset in parallel with the handset for the main door would work so long as there is enough power in the Call circuit to drive two buzzers? I imagine that driving two doors from one handset couldn't be made to work, even if diodes could be used to isolate the lock release (if the lock release uses DC - I haven't checked). It would be great to be proved wrong - giving her two phones will be untidy and confusing [/QUOTE]
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Door Entry - One Handset, Two Doors?
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