Venki - Since you have registered your kit, you can submit an Ask A Question ticket for this issue.
http://www.logicpd.com/support/askaquestion.php
The next suggestion after checking your TeraTerm settings is to be sure that the expansion connectors on the back of the card engine have fully seated on the baseboard. You should feel them lock into place. You have to use "firm" pressure to get them to engage fully.