[CentOS] I can't connect to /dev/ttyS0

> You first need to double-check that /dev/ttyS0 is actually 
> the correct serial COM port you have the modem connected to.
> 
> Please look under System->Hardware and then click the 
> 16550A-compatible COM port in the LH pane.
> 
> Then in the RH pane click on 'Advanced', and find the 
> serial.device string or linux.device_file.
> 
> This will be something like:
> 
> linux.device_file  strlist /dev/ttySx where x == 0|1|2|3
> serial.device      strlist /dev/ttySx where x == 0|1|2|3
> 
> Make sure this is the same as what you are trying to connect to. 

Thank's  Keith 

I got it working


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Michel Donais