CMM2 and firmware

anyone now if the CMM2 has an option to upgrade the firmware? Can ANY updates be performed on it?

Yes
You can upgrade it with CNUT (Canopy Network Updater Tool) easily.

http://motorola.canopywireless.com/support/software/

I have cnut installed. But it doesn’t “see” the cmms

For what I have read ans seen, there is no way to upgrade firmware in a CMM2, only in a CMM-micro. The CMM2 does not offer any management of any sort, in a way it is a box that sends sync and is a network switch.