tbill1 wrote:It is not a question of supply...I have been told that 2 XGs and a DVR will mess up the communications between the boxes, as too many boxes will be "giving directions". And that if you tried to input the serial number of a second box, it will be rejected. Is this true or not?
the 'issue' you describe is related to MoCA. The XG2/Xg1 internal MoCA controllers are set up so that the XG2 is primary tuner supplier and data (DOCSIS) communications for the Xi3/XiD/XiType devices. There are some regular contributors on this forum that have 2-3 XG2s in their home and working.