I have 3 Motorola NIM-100s already in place and I just added an XL4 to the house. Currently the XL4 is hooked up via Ethernet, but that is going to be changing soon and there will only be coax to this unit. Will the XL4 work with my existing MoCA? I pretty much just plugged in the NIM100s and everything worked. Anything special I should do with the wiring? I do have a TA connected. Wall --> TA --> TiVo.