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Mark Knecht wrote: |
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> On Thu, Apr 30, 2009 at 10:31 AM, maxim wexler <blissfix@×××××.com> wrote: |
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> |
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>> |
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>>> Unplug all your electronic devices and plug in a lamp with |
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>>> a 100 Watt |
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>>> incandescent light build. With the lamp on unplug the UPS |
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>>> from the |
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>>> wall and see what happens. If the battery is dead it won't |
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>>> last all |
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>>> that long. |
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>>> |
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>> Gave ~5 mins. So I let it charge for 24 hrs now it gives me 36 mins. Which is wierd; what happened to all that charge? I haven't had to use it for 6-7 mons. Isn't the unit supposed to stay topped-up? |
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>> |
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> |
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> Well, assuming it was a 100 Watt incandescent that really draws 100 |
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> Watts, then that's probably 1/2 to 1/3 the draw of a typical desktop |
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> PC implying you would get 12-18 minutes before shutdown. (Really rough |
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> ideas - just numbers, etc. Don't take it too seriously.) |
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> |
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> |
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snip |
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>> Another thing: When I do the remove-the-usb-cable test I don't see the "communication lost" error in apcupsd.events until I switch the dial-up off and on quickly! |
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>> |
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>> In the conf file I have DEVICE: /dev/ttyS[0-3] because the default, /dev/ttyS0, locks out the modem. But why does the UPS need to know about serial ports? It connects by this funny RJ-45/USB cable. I wonder does the manufacturer assume the serial port won't be used? |
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>> |
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> |
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> Strange stuff but above my pay grade... |
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> |
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> - Mark |
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> |
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> |
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It's not supposed to say DEVICE /dev/ttyS0 for USB, it should just be |
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blank as per /etc/apcupsd/apcupsd.conf |
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