I just recently bought a couple UPSes from RefurbUPS.com. I bought a pair of SmartUPSes -- a 620 and a 900. The 620 works great, no problems whatsoever. But the 900 is being a royal pain in the ass.
Specifying equipment that addresses the problems associated with generators and UPS equipment compatibility isn' enough Facility designers have been aware of problems associated with operating UPS ...
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