search for: su1000rt2u

I'm having trouble with a TrippLite SU3000XLCD. I'm using a Raspberry Pi running Raspbian (wheezy) with NUT 2.6.4. I can monitor my older TrippLite UPSs, mostly SU1000RT2Us, with this Pi and a USB to serial adapter. My first thought with the SU3000XLCD was to use the USB port instead of the serial port as that's the "modern" thing to do. When I plugged the USB cable in to the UPS it turned off, dropping the load. The load is process control instrumen...