It is actually possible to order only the connector, or at least a connector that fits.
So if you're handy you could repair your travel hub yourself.
See also:
http://forum.irexnet.com/viewtopic.php?=&p=2334
The connector can be bought at:
http://www.cypressindustries.com/sho...1%2D562%2D2002
and the wiring diagram is here:
https://www.mobileread.com/forums/showthread.php?t=7416
I've been thinking about making separate USB, ethernet and charching cables for my iLiad.