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- Can you plug a UPS into another UPS? - Super User
Almost all UPS equipment interprets a stepped sine wave as bad power Therefore, as soon as the first UPS goes on battery and outputs a stepped sine wave, the second UPS in the series will read that input as bad power and convert to battery also With both UPS systems running on battery at the same time, there is no increase in battery capacity
- power - When do I need a pure sine wave UPS? - Super User
If a UPS lasts long enough, the cost of replacement batteries overruns the initial cost If you are buying quality UPSes, therefore, give more consideration to the running cost of the UPS than to the initial purchase price ⁶ A midrange UPS from the same manufacturer costs about ⅓ that of a true-sine UPS with the same headline specs
- How to choose a UPS calculate power for a new PC
Some new information for an old thread Your UPS should be capable of providing the max potential draw of your PSU I mean, the entire point of the UPS is to protect your data so it should not be the weak link in the chain of components Also, the price jump to a higher rated UPS isn't that much in the scheme of things
- power supply - Is daisy chaining UPSs safe? Does it add . . . - Super User
The reason is that the power a UPS produces can appear as a power surge to the second UPS The second UPS will then "return" the power back to the first UPS over ground End result is the power from the first UPS goes to ground and the power from the second UPS powers your equipment until it runs out
- How to silence bad battery alarm in a APC Back-UPS 550 UPS?
This blog post from 2012 does a decent job of explaining specifically how to use the APC UPS Daemon software to disable alarms Here is the command line flow once you get the APC UPS Daemon software software installed and apctest is available: sudo apctest 2012-11-18 23:30:50 apctest 3 14 8 (16 January 2010) debian Checking configuration
- c# - UPS API . Net Add Web Reference - Stack Overflow
-In the address field input: file: C:\Users\MyUser\Desktop\UPS API\RatingPACKAGE\PACKAGEWebServices\SCHEMA-WSDLs\RateWS wsdl Visual Studio added several reference files: Using the Sample code provided in the API package, I copied the test code to my project
- Why is my Eaton UPS beeping? - Super User
root@srv ~# upsc eaton ups load 14 This means a 14% load The battery is charged at 91% While the UPS behaviour does not suggest it, I see that root@srv ~# upsc eaton ups alarm Replace battery! I do not know if this is a default setting or there is indeed a problem with the (brand new) battery The manual says
- backup - UPS getting overload when PC is connected - Super User
This UPS was fine for 3 years I suspended using it for 1 year and again started using it If the UPS is fully charged for 12 plus hours, it will last about 10 seconds for the PC backup For the laptop, which is about 25 watts to 40 watts, it will last 40-50 minutes Is it failing UPS circuit or just the battery needs replacement? –
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