[HECnet] UPS driven OPC$CRASH?

[Supratim Sanyal]

> On Jun 1, 2020, at 1:49 PM, Brian Schenkenberger, VAXman- <system at tmesis.com> wrote:
> 
> Steve Davidson <steve at davidson.net> writes:
> 
>> APC offered software to detect power failure using their UPSes for VMS but it
>> was for the units that predate machines with USB support. Connection was via
>> serial port.
> 
> I have a software product for APC UPSs that understands APC's so-called Smart
> protocol.  It will work for any of the SmartUPS with a serial connector.  The
> APC also had a mode where one of the serial signals would drop (essentially,
> DTR) when the UPS went on battery.  Any UPS doing that signaling can easily
> be used to shutdown a VMS system using a $QIO monitoring the associated port
> on the system.  

If the software’s license allows sharing for hobbyist use, I would like to have a copy if possible.

Thanks
Supratim

> 
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