Link to product manual...
Check this out, it's on Cisco's website: http://www.cisco.com/web/consumer/support/userguides2/4003986.pdf
On page 16, it does indeed say yes via eSATA. On other forums, people say you can via eSATA only while others say you can't do it at all and of course Time Warner's help folks are plain ol' lost. Suppose I could just buy a cheap cable and try it.