Windows with putty via USB serial cable to Linux serial port - output ok, input isn't

Posted by Aharon Robbins on Super User See other posts from Super User or by Aharon Robbins
Published on 2010-01-13T13:15:11Z Indexed on 2010/04/08 2:03 UTC
Read the original article Hit count: 638

Filed under:

serial-port

|

putty

|

linux

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Windows

I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5). I have

/sbin/agetty -L 9600 ttyS0

in /etc/inittab.

I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable.

I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.

I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but

cat < /dev/ttyS0

just prints out weird characters from what I type.

Any and all suggestions will be welcome.

Thanks!

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