Hello Mike, I have a similar scenario and have started using Gamatronic. I have rectifiers powering fibre kit, wireless base station and some Cisco ME3400s with added batteries (12hours) with snmp for the last year and I am quite impressed with the performance. Good price too IMHO.
http://www.gamatronic.com/PowerPlusUps.aspx <http://www.gamatronic.com/PowerPlusUps.aspx>Regards Raymond Macharia On Thu, Jul 22, 2010 at 6:45 PM, Mike <[email protected]>wrote: > Howdy, > > This isn't exactly cisco-centric, but it's certainly related > operationally. > > I operate a county wide isp network and I have about 15 different pops. I > equip each with APC700/1400's and with XR battery packs, with the goal being > around 8 hours of runtime in the event of a power failure. I also > aggressively monitor batteries and have situational awareness regarding the > self test status, maintenance status, and during ac power failures whats up > and down and how much runtime the pops have and so forth. > > Over the last 8 years I have been doing this, the single greatest source > of pop site outages, has been the battery backup units themselves. I have > experienced multiple repeated failures involving the SNMP management cards > that have: > > a) went berserk and flooded the network with garbage > b) issued spurious "turn off ups" commands to the ups > c) began automated self test cycles that shut off the ups (even when > self-test is disabled!) > I further have experienced UPSs that for whatever reason, did not > switchover during an outage, or did not provide sufficient filtering and > allowing connected (and supposedly protected) devices to get zapped and > either fry outright or lockup, or vary in their output voltage too much > during a failure causing lockups/outages due to 'over voltage'. They've also > failed to restart once AC power came back on, requiring staff to drive out > and press a button. I've also had units that religiously run their > self-tests but then fail during an actual ac power outage. In short, I have > seen it all. > > To their credit, I have experienced many many cases of ac power failure > that these units did gaurd against and provide enough runtime for either > local power company repair response or for our own internal response to come > install a generator. But the continuing saga of the UPSs themselves causing > outages, is really beginning to wear on me and I am looking for a better and > more intelligent solution. > > I think what I need, is an online ups solution as opposed to the APC's > we have been deploying. My wants are reliable operation, 1000 - 1500va, > expandable battery capacity, simple remote network monitoring, and > reasonable cost of course (;-). My team is frustrated and is threating to > design and manufacture our own brand of UPS's if the market doesn't have > anything that gets it right, but surely there's got to be something out > there folks can trust and I want to know what it is. > > Thanks for your suggestions in advance. > > Mike- > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
