Using hyperterminal to talk to a UPS

This is probably not windows ME related, since it should work with any
version of the OS, but since that's what I am running I thought I'd ask
here

I bought a Liebert PowerSure Personal XT uninterruptable power
supply. Now this works fine in that if the power goes, the computer
stays running. What I really want to use is the COM2 link to tell my
computer to shut down, but it could never make the connection for some
reason.
Tried different cables, the latest software etc and still no joy.
So I got myself a Belkin (same COM port, their cable) and this works
fine.
Tried both cables with the Belkin and it's fine.

Obviously the Belkin and the computer are talking to each other, and
someone has suggested setting up a hyperterminal session between the
two. I can't even seem to see anything on the belkin even when the
software is showing data.

Is there any way I can talk to the UPS from the computer so I can
establish if the Liebert is working as it should be please

Cheers
--
Mike
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