On Aug 19, 2015, at 9:00 AM, Charles Lepple <clep...@gmail.com> wrote: > > On Aug 19, 2015, at 12:08 AM, Johnny Wong <e430ben...@yahoo.com> wrote: >> >> Here are couple of things I tried. >> >> 1) Changed the USB cable. Same problem >> 2) I put an old CyberPower CP550SL w/USB&SERIAL and it recognize it >> right away via the USB port >> I don’t know if that will give you any insight or eliminate certain things >> with the Tripp Lite SMART1300LCDT or not. >> > > Thanks for testing the USB cable and the other UPS - those are good data > points. > > I am surprised that I did not run across this thread earlier: > http://article.gmane.org/gmane.comp.monitoring.nut.user/8700 (SMART1500RM2UN > disconnects every 40-45 seconds) > > I also did not see any changes in the FreeBSD source code that specifically > mention the USB alt setting (although they have an unbelievable number of > different ways to spell that). I will still try to set up a FreeBSD 10.2 box > at some point for system testing.
I set up a FreeBSD 10.2 system, and tested a USB MGE Evolution against NUT v2.7.3. No USB issues so far, and it's been running since this morning. > > You might also try booting from a Linux live CD and using their version of > NUT to see if the SMART1300LCDT still disconnects. Tripp Lite has said that > they only support certain distributions of Linux (I don't recall which, but I > would assume Red Hat is among them), so if you can prove that there are > problems with a supported Linux distribution, you might be able to get > warranty service. Curious to hear how this goes. -- Charles Lepple clepple@gmail _______________________________________________ Nut-upsuser mailing list Nut-upsuser@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser
