Re: Need to test serial port connection

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On Thursday 26 February 2009 11:14:06 Phil Schaffner wrote:
> 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.
>
It's a Liebert Personal XT 700.  The cable is supplied with the unit.

Anne
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