Why not use a UPS?
Plug the repeater and equipment into the UPS and then plug the UPS into the receptacle of choice. Might be cheaper and easier to do this then to design, test, get permission from the hospital to install, install it and maintain it. I am sure that the hospital is going to want to make sure what you install is approved for such use. Some ups's provide a serial port for communication to a serial device, maybe you can access it remotely via packet to check status, logs and battery condition.
Eric. Laryn Lohman wrote:
We have two repeaters, plus an IRLP computer, on one emergency-fed circuit at a hospital. There are normally no problems with this. During a recent storm, the AC panel circuit breaker tripped, taking everything down in the middle of our Skywarn net. There are two receptacles near our equipment. One is normal power, the other is the red Critical Power receptacle. What problems would anyone see if we would feed everything from the normal power circuit, and if it would ever trip off, switch to the red receptacle. That way, if lightning trips the normal circuit, we would instantly feed our equipment from the red receptacle. This sounds so simple, and I'm inclined to build such a setup, but am I missing something obvious that could cause problems? Any better ideas? Laryn K8TVZ
