On Thu, 2009-02-26 at 10:17 +0000, Anne Wilson wrote: > I recently bought a new UPS, and I'm attempting to use nut to monitor it. > Following setup instructions everything seemed to go well until it came to > testing the connection, which failed. > > There is just one serial connector on the computer, so I set it to > monitor /dev/ttyS0. Either that is wrong, or communication is failing. > I've been told to try minicom to monitor it, but I'm not familiar with > minicom (or any similar app), so again, I may be wrong in the way I'm trying > to use that. I was told that unconnecting the device, then re-connecting it > should give me a raft of output to the terminal - I saw nothing. > > Could someone please give me idiot-level instructions on how to tell whether > I'm connecting to the correct port, or whatever other information I need? Anne, Are you sure the cable is correct? I recall in the past having trouble with an APC UPS that required an oddball RS-232 serial cable before it would communicate. There were different variants available and only one would work. Posting details of the brand/model of UPS involved might get better help. Phil