Yup. The MoCA has nothing to do with anything, at that point, just assume it's an Ethernet cable. Disable DHCP, give it a non-conflicting IP address, and you're good to go. There are hundreds of articles online about this topic, excluding the irrelevant MoCA part.
My Place: Premiere XL4 Lifetime 3/26/13 XFinity
3 TiVo Mini's on MoCA
Formerly Win MCE 3TB Ceton4 XFinity
Parents: XFinity Motorola AnyRoom DVR
80 HR Series 2 Lifetime 4/11/04 DEAD as of 11/2010