Ring intercom with Elvox 900-902
Hi there, I'm in trouble trying to install a ring intercom to my existing headset Elvox 900-902.Wirings into the headset are about:* 1 Yellow = Mic* 2 Blue = Headset* 3 Black = CommonBuzzers and Door opener are outside the headset, and both work with 12V AC. The power supply is somewhere in the building and is shared between the appartments.There is a way to connect ring intercom in this scenario ?I already have finger relays in order to convert 12V AC into any other required voltage.
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04-05-2023 22:22:44
Responses (5)
- N
Hi @Caitlyn_Ring, I had already checked out articles and Support Team but I haven't received any support. Ring app tells me to connect cable with existing wires on pin 6 and pin 7 but: - pin 6 has not any cable attached (probably building elettrical system specific wiring) - pin 7 does not exists o
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06-05-2023 11:47:57
- M
Hi all, same problem and same wiring as @neobo .Could you please give us the instructions to install Ring Intercom on Elvox Art 900-902?Thanks a lot
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06-05-2023 17:03:11
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- N
@Mengolim it seems that your case is simpler than mine: you have short-circuit between green cable and blue cable.If the front door is the top side button, you can consider pink cable attached at pin 7.But a cable is missing: the buzzer (pin 6). Probably you have an external buzzer (like me).I suggest you to unmount your headset and check for a cable that is passing through that place.If you are lucky, behind the headset you can find the buzzer cable.
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08-05-2023 08:53:11
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- N
I've found a solution for my usecase with a multimeter and some reverse engineering.For cable A the meaning are:| Ring Cable | Meaning ||--|--|| A-1 | Common || A-2 | Speaker || A-3 | Mic || A-4 | See below || A-5 | Door opener || A-6 | Someone is calling at the door |With some tests I've seen that the A-6 button is working well with 12V DC but is not working well with AC.I've inserted a 12V DC power supply and a relay to convert voltage. After that the ring can detect signal from the front door.To unlock the door i figure out that ring intercom close the circuit between A-4 and A-5 cables. It is a very good feature to have a clean contact :slight_smile: In my case the doors open with VCC 12 AC and I have connected A-4 cable to VCC and A-5 to the cable to the door.Now It's work like a charm!
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08-05-2023 09:34:21
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C@neobo I'm glad you were able to find a resolution that worked. Thank you for sharing this solution, as it might help other neighbors who have the same intercom as you. :)
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08-05-2023 16:08:20
- U
If just found the scheme above from this FB group https://www.facebook.com/groups/ringintercom/posts/XXXXXXXXXXXXXXXX/It's in italian, but the wiring works just fine (at least for me) and it's all you need
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27-12-2024 18:39:18
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Caitlyn_Ring
Hi @neobo. We have several articles on our Help Center about the Intercom [here](https://support.ring.com/hc/en-us/categories/7808852957972-Access-Control), which may help. You can also get in touch with our [Intercom support team](https://support.ring.com/hc/en-us/articles/10070641988500-Ring-Intercom-Support) via phone or email, and they can assist with installation and wiring questions. :)
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05-05-2023 16:25:18
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