Abishek:
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"Abhishek.....He said the bar code scanner was a keyboard wedge. These devices connect between the keypoard connector and the keyboard. The protocol is the sme as the keyboard so that in normal usage the regular PC keyboard interface and BIOS software can take in the input."

That sure explain better than mine... :)
Thanks Michael.

Michael:
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"It could be that he has the bar code scanner configured incorrectly. Some scanners are capable of operation as either a keyboard wedge OR an RS232 protocol to a COMM port...."

Incorrectly configured? Well.. I don't know. BUT I am sure the protocol is not async, since it can output when I attached it to my keyboard port on PC :(

~fhy