Hi Greg,
You might need to resort to ASCOM to get the Trius working in CCDSoft.
Try here:
http://www.daddog.com/ascom/sxcamera
There is an ASCOM driver for CCDSoft. It's still at the SB website under Evan Warkentine.
https://www.bisque.com/sc/members/evwark/default.aspx
Do let me know what works for you finally as I'm bringing back my Trius from the USA soon!
Peter