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+--- Thread: UPG-PK1 Upgrade Bundle I - Which UCM? (/thread-1894.html)
- idheath - 06-22-2010
Hi,
I have recently purchased a \"UPG-PK1 Upgrade Bundle I\" to replace my aging Comfort I system.
I have received a Serial UCM and not a UCM/USB one.
What is the correct item I should receive in this upgrade bundle?
Cheers Ian
- ident - 06-22-2010
There is a transition from UCM/232 to UCM/USB so either may have been supplied in the interim. Both have the same function