Questions tagged [ups]
A UPS (uninterruptible power supply) is a device used to provide instant backup power to critical systems for safe shutdown in the case of a power outage.
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Cyberpower UPS - huge drop in battery when switching to battery power
I just acquired a CyberPower OR1500LCDRM1U UPS device from eBay. It was said to be open box and not used, but I have my doubts.
I have it installed, and am putting a 30% load on the battery. With the ...
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UPS on DC lines [closed]
How could a UPS switch between battery and AC wall socket fast from around 4 ms to 12 ms. What make it especial to switch in that very low time. As far as I know it has relays inside it to perform the ...
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GPU fails on because UPS
I got a new UPS not long ago, and installed it's software (upsilon 2000) and driver. the software installs a battery driver for the UPS so I can use windows power plans settings to control what ...
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APC UPS Replacement Battery
I have an APC BE550G UPS with a battery which is 4 years old (the model is RBC110) and I would like to replace it. I believe the current battery capacity is 7AH, and I was thinking of replacing it ...
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How comes all three protection levels (electric board, UPS and AC block) get passed through?
So, there is that house in France with three phase electrical power. I don't know if this is relevant. And I can't tell the whole installation was set properly. But the grounding is recent and strong.
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UPS power cord is giving electric shock only when computer is running using UPS back up power supply
I brought a new desktop along with an UPS. I plugged monitor power cord and CPU power cord both in UPS and UPS is not connected to any power supply. Then I have Started the UPS and my computer started ...
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Dell PowerEdge R710 reboots when UPS kicks in
I have a Dell PowerEdge R710 that I inherited from my company when it was retired. I have it protected with a CyberPower UPS, but every time there is a power failure, the server reboots. I have tried ...
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APC Smart UPS, Synology DS918+ and Mac mini
I have a new APC Smart-UPS C 1000, a 2018 Mac mini, and a Synology DS918+. I am trying to figure out if there is a way that when the battery gets low, the Mac and the Synology can both safely shut ...
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How to power on a computer after a power failure?
Background
I have a Ubiquiti Network Video Recorder (NVR) connected to an Eaton 3S 550 UPS. The NVR is basically a tiny PC running Debian, which records video from network cameras on the LAN. My goal ...
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UPS makes a clicking sound and my Network Connection stops
My uninterruptible power supply (UPS) makes a clicking sound then my network connection stops, what can I do to fix this problem?
user1044889
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Throubleshooting UPS
I recently rescued an MGE 2200 VA UPS. The UPS has the batteries dead (extremely dead), as it has only 0.5V out of 72V (6x12V). Obviously, it has been unplugged for a while.
When I plug the UPS to ...
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How do I load test large UPSs?
I'm currently the only hardware repair person at my work and I've been left with a pile of UPSs that need to be fixed and tested. As it is I've been load testing the smaller (250-500 watt) units using ...
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How to shutdown macOS / mac OSX from Network UPS Tools client - NUT
I’m looking for help in shutting down my iMac on detecting a power failure while running from a UPS.
My setup is an APC SMT750i UPS, powering two Synology NASs, and iMac plus the network kit (router, ...
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Why would my internet speed increase when connected through UPS?
The past few places I've lived over the years I've noticed a strange phenomenon: when I have my coaxial cable internet connection passing through the coaxial on my UPS and then into my modem, the ...
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UPS supply cuts power at POST if connected to server via USB
I am using an EATON 3S 550 on a Server that uses 60W when idle It is an Intel Celeron G3220 on a Intel DH87RL. Due to the six harddrives the power used at boot is higher, but certainly below 550W, ...
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