A 2way driver for the Centralite Elegance lighting system would be great.  There are two different versions of the commands and queries though, one for single processor systems and one for multi-processor systems.  The syntax is slightly different.  We would use both sets.

http://centralite.com/support/Elegance/documentation/AppNotes/Elegance_RS-232_Protocol.pdf

http://centralite.com/support/Elegance/documentation/EleganceInstallationGuide.pdf

Thanks