Not counting the monitor problem, the best bet might be to go with a DC-DC power supply. A friend and I recently had the opportunity to put our server in a telco grade colo and we had to scour the net to find such a beast. We were able to get a -48V DC input power supply with a standard form factor that dropped right into an ATX case. It has the standard voltages and connectors of a regular ATX supply on one side and a -48V DC input on the other. Unfortunately, our company went out of business a week after we got it hooked up but it worked great in the meantime.
I can't remember the exact output wattage, but we had it hooked up to a 5 amp fuse running an average number of components w/o trouble. I'm no EE but I imagine you could easily run it off a battery bank if you had an existing photovoltaic array and distribution system. If you didn't need a monitor, you'd be all set, otherwise, you might as well stick w/inverting to AC and using standard components as an earlier poster had suggested.
Unfortunately, I don't have the link w/me but I'll put it up when I find it.
I'm trying to sell it (moved back to an AC colo) so if anyone is interested, drop me an email.
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Not counting the monitor problem, the best bet might be to go with a DC-DC power supply. A friend and I recently had the opportunity to put our server in a telco grade colo and we had to scour the net to find such a beast. We were able to get a -48V DC input power supply with a standard form factor that dropped right into an ATX case. It has the standard voltages and connectors of a regular ATX supply on one side and a -48V DC input on the other. Unfortunately, our company went out of business a week after we got it hooked up but it worked great in the meantime.
I can't remember the exact output wattage, but we had it hooked up to a 5 amp fuse running an average number of components w/o trouble. I'm no EE but I imagine you could easily run it off a battery bank if you had an existing photovoltaic array and distribution system. If you didn't need a monitor, you'd be all set, otherwise, you might as well stick w/inverting to AC and using standard components as an earlier poster had suggested.
Unfortunately, I don't have the link w/me but I'll put it up when I find it.
I'm trying to sell it (moved back to an AC colo) so if anyone is interested, drop me an email.