ESC on DiGi PortserverTS8

Hello!!!
I have a problem with ESC key on subj. My DiGi connected to APC PowerSwitch device by console port. On APC console ESC key use for menu navigation. On DiGi this button use for console disconnect and i can’t use APC menu. How can i send ESC to APC console? O, blya.

The following knowledge base article addresses this:

http://search2.digi.com/support/kbaseresultdetl.jsp?id=729