Sam, If you want to check if data on a com port, try minicom it's part of the SuSE distribution. On 01-Jan-2000 Jerry L Kreps wrote:

Sam Carleton wrote:

...

I have a UPS (a APC Backup-Pro) hooked up to my Linux box via what I think is /dev/ttyS1 (COM2). The APC software is not getting any infomation from the UPS. How can I check to see if there is any information coming over /dev/ttyS0 and /dev/ttyS1?

Sam

Did you use a smart or dumb cable to connect the APC to the serial card? JLK

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