How is the mac address (ethernet id) of the Continuum master controllers calculated?
Mac address must be unique.
The controller mac address is assigned at the factory.
The first three numbers (0:40:11) are fixed and represent the manufacturer, the next three numbers ar5e the unit's serial number converted to hex.
Manufacturer = 0:40:11
SN = 557746 which converted to hex = 882b2
Mac address = Manufacturer + SN ~ 0:40:11:8:82:b2
Windows calculator has a programmer mode that can be used to convert from decimal to hex.