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.
Maybe someone here can lend me some knowledge. I have an APC UPS 550. I've been using it for probably 3 years now, give or take. Originally purchased due to touchy circuit breakers in a previous ...
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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