Whats the difference in the apc masterswitch, and the masterswitch plus? Is the only difference that the plus can have more units attached to it? Also does this increase the number of logins to the masterswitch, i read the pdf and it said there is a total of 3 i believe logins....1 per port would be better :)

Anyways
Thanks in advance.

masterswitch plus allows for better power management, as well as being bale to daisy chain additional appliance to manage all your apc switches from a central location.The plus model is about 300.00 more then the regular model, as far as basic functionality they both accomplish the same thing.