On Mon, Jan 08, 2001 at 09:58:07AM -0500, Paul Timmins wrote:
I'm aware of a variety of proprietary software shutdown programs associated with UPS vendors. But I'm wondering do any "open standards" exist for initiating soft shutdowns? Almost all UPS's on the market twiddle with the DTR and RTS signals on the serial port when a power failure or an imminent battery failure. You can generally twiddle a pin on the serial cable to shut it off as well. For APC smart UPS devices, people have reverse engineered the protocol to communicate in smart mode and get battery voltages and the like. Do a search for "linux UPS daemons APC" and you should find something of use (since you will probably have to read the source code to figure out the
On 8 Jan 2001, Sean Donelan wrote: protocol, it helps if you know C)
And if you are running a late-model linux (preferably RedHat), you can download APC's own "award-winning PowerChute Plus" software for linux from their website. It seems to be identical to PowerChutePlus running on any other platforms, except that the interface is through X86. -- Henry Yen Aegis Information Systems, Inc. Senior Systems Programmer Hicksville, New York