short the last 2 pins of the plug, then see if you get an echo in hyperterm (to make sure the send is properly connected)
if that works, check in telnet (type "ps aux") to see if /bin/bash has been run... it should be fairly early in the list... you'll have to scroll back, most likely
if that works, check in telnet (type "ps aux") to see if /bin/bash has been run... it should be fairly early in the list... you'll have to scroll back, most likely