Centrally Powering Ring Keypad and Siren
Hi folks, I'm replacing a very old wired alarm system with a Ring 2nd Gen alarm system. The beauty of this is that I have wiring to where I want most of the sensors and the keypad and siren. I plan to place the base station where the original system control unit was (under the stairs) as it has mains power, then get some DIN transformers in a project box to run 12V and 5V as needed to the units. Can you help me understand a few things...  1. Will the HDR-15-12 be suitable to power the Ring Siren? The manual says 12W max but this is 15W. I can't imagine this is going to be detrimental, but interested in people's experiences. 2. Will the HDR-15-5 be suitable to power the Ring 2nd Gen Keypad (spliced into a USB connector)? 3. Is there any way to permanently power the Ring motion sensors from a 5/12V supply? Many thanks for the advice!
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21-06-2021 10:09:52
Responses (5)
- S
Well I can confirm this works just perfectly, for both the keypad and the siren. One word of caution, when splicing a micro-USB onto the end of the 5V connection for the keypad, the wiring colors inside USB cables are pretty randomised by cable manufacturer, always test with a volt-meter before you connect to the keypad to make sure you haven't mis-wired or reversed the polarity.
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25-06-2021 08:25:44
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- T
Hi @seb101! We strongly advise you to not dismantle your device in any way, as it may void your warranty. You can learn more about your device's warranty [here](https://shop.ring.com/pages/warranty). Should you have any concerns with your device's performance and you're not able to find a solution here on the Community, please reach out to our support team before attempting to take your device apart. Please give our support team a call at one of the numbers available [here](https://support.ring.com/hc/en-us/articles/213608406). We’re taking additional steps to protect our team and help reduce the spread of COVID-19, so this has resulted in longer than normal wait times. If you are outside of the US, please read our response to COVID-19 [here](https://support.ring.com/hc/en-gb/articles/360041597471) to see how to contact support.
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25-06-2021 10:27:31
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- S
i'd like a hardwired siren option but for indoor. The ring siren could work but I don't want everyone to see the ring logo inside the house - do you have a more discreet option, or is the logo plate removable or something?
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30-06-2021 01:26:40
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- S
My finshed setup, 12V DIN rail transformer for the Siren, 5V DIN rail transformer for the keypad. 
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05-07-2021 11:30:42
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SKeypad showing mains power from the 5V DIN transformer. Contrary to what the Ring representative says above, this does not require any dismantling of a Ring device, just a small amount of surgery on a Micro-USB cable (which can be the Ring supplied one or any spare Micro-USB cable. 
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05-07-2021 11:39:03
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Tom_Ring
Hi @seb101. Both the Ring Alarm Base Station and the Keypad come with their own power source. Contact Sensors and Motion Sensors are both battery operated with no other power options available. With this in mind, they are only intended to be used with the supplied power source and not hardwired. However, the Ring Alarm Outdoor Siren can be hardwired. You can find information about that [here](https://support.ring.com/hc/en-us/articles/360058277512-Outdoor-Siren-Power-Sources). I hope this information is helpful.
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23-06-2021 10:23:06
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