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UPS with a " I don't want it to beep' option
The cable that you need originally came with the UPS. GUARANTEED
(unless the UPS was not truly new and sealed, e.g. if it was "open box"). But, that said, APC is absolutely idiotic for not just using standard USB sockets on their UPS'. All of the APC UPS' that I have (500VA, 725VA and 1,500VA) can be programmed not to beep; some of the earlier models with serial port interfaces cannot be so programmed. I THINK that all models with USB ports can be programmed. Many of the low end UPS' with 300-350VA ratings have what I call "toy batteries" .... 12 volts at THREE amp-hours. Many of these are in a compartment originally intended for the very standard 12 volt 7AH batteries, with insert fins molded into the compartment for the smaller battery. A little bit of work with some plastic cutting tools will enable you to upgrade those units to the larger 7AH battery (it's pretty obvious when you can and cannot do this). I've been told, but cannot verify, that the 350VA units are actually the same as the 500VA units except for the smaller battery. - Bobb - wrote: I grabbed the APC UPS (ES350U) from the living room and went to hook it up to my PC to program it - and NOW I remember why I didn't install the software. For me to connect the UPS to be able to program it , I need to buy a USB to RJ45 cable for $39. That's why I never did it ! I paid $30 to buy the UPS - I'm not gonna pay $39 to talk to it ! SO, I just came from BestBuy. They have a Cyperpower 550VA UPS on sale for $35 - with a cable and software. I'll program IT, put it in the living room and then unplug it a few times to see if it 'remembers' to not beep. If that works OK, I'll then use the 350VA APC UPS for the PC and just turn it off when I lose power. If it doesn't work , I'll disconnect the pseaker in the APC and return the CP UPS to Best Buy. William - I had looked before at APC for schematics. I'm with you - disconnect the speaker and put a note on it to remind myself in case I ever DO want it to beep. Thanks guys. "William R. Walsh" m wrote in message news:04tmi.11934$Xa3.3087@attbi_s22... Hi! APC markets some units that can be told not to beep at all. The BR1500LCD and BR1300LCD models can both have their beepers configured to stay off. You can find at least the 1500 model for sale at Best Buy in the US. It is advertised as a "Back UPS XS" there. Price is around $144. For your existing UPS units, a little circuit modification might be in order. I have "muted" various UPS units in times past by opening them up (unplug the unit, disconnect the batteries FIRST and *be careful* -- these things contain hazardous parts that may store energy even after the battery is disconnected) and removing the offending beeper. This is effective but it will invalidate any warranty your UPS is under. William |
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