from Laurence Perkins: > Some of the higher-end UPS models do have diagnostic modes for simulating > various events to make sure the connected systems behave as desired. A very > few of the consumer-grade ones do as well. But how to do it is model > specific, > so you'll have to dig up the documentation.
> Commercial-grade units also often have a DC port on the back so you can plug > in larger battery banks and/or hotswap battery banks during extended outages. > If you want an arbitrarily large battery bank, just get a decent power > inverter heavy enough to run your load and a battery float charger that can > push enough amps to keep up, then put as big a stack of batteries as you like > between the two. The nicer inverters will even warn you when the batteries > get low. > You can often get used batteries from the local automotive shop for just the > core charge. Just because it can't provide 600 amps to start a car any more > doesn't mean it can't provide 60 to run your computers. Obviously they'll > require more regular maintenance, but it's hard to beat the price. > LMP How would you physically connect the automotive battery to the computer, and would you need the shell of the old UPS? I have an old Tripp-Lite UPS, batteries are dead and no longer rechargeable. Would you connect only the computer, or would you connect the monitor as well? Would you connect networking equipment? Tom
