On Thu, 21 Feb 2002, Joon Guillen wrote:

> I still have a problem, though:  the UPS doesn't seem to respond to the UPS
> inverter shutdown signal.  I have verified through statserial that the RTS
> terminal is  high (+5V?) upon execution of the proper inverter shutdown
> command.  Perhaps the voltage isn't enough to trigger the UPS shutdown?

I bet you've done everything right, from the cable you've well illustrated
to the setup of the software. +5V is enough. The question would be is the
+5V signal sustained? According to my Netstar manual, it should be last at
least 1 second; 5 seconds should surely shutdown the UPS. Take note also
that a Netstar UPS shutdown may only possible during a low battery
condition.

_
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