Steve Bagdon <[log in to unmask]> writes:

>Has anyone upgraded directly from 4.0 to 5.5 on a 918RX. Is it possible?
>Aside from 3rd party software issues, is this an accident waiting to happen?

We went directly from 4.0 to 5.5 on our 948 with no problems at all.  I
believe it is a supported move (by the RC and the 5.5 Communicator.

Good luck.

Jim Phillips                            Manager of Information Systems
E-Mail: [log in to unmask]      Therm-O-Link, Inc.
Phone: (330) 527-2124                   P. O. Box 285
  Fax: (330) 527-2123                   Garrettsville, Ohio  44231