Originally Posted by nomadking
I have an arrangement of two different splitters in my flat in order to provide three feeds(V+, modem, analogue TV) of one sort or another. I have been told by a VM engineer and by VM Customer services that I could change the wiring configuration around if there were problems with the signal level to the V+ box. This may not be an official answer but it suggests that it should be ok.
Typical of customer service to give out mixed and incorrect advice, you shouldn't touch the cabling at all as you may not know if you have created problems for yourself and others on the network.