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    PC Peripherals APC UPS does not draw power from an inverter supplied outlet.

    I have an APC Back-UPS RS 1100 for my desktop. I recent bought a APC HI800SQ inverter for my home, and since then everytime the inverter kicks in, the UPS refuses to accept the inverter's square wave supply. It keep beeping, and continuously switches between mains (supplied by inverter) and...
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