One little thing that might affect you. When my FiOS service was installed 3 1/2 years ago, the installers refused to connect it to a wall outlet that was GFCI-protected. The reason was that, if the GFCI tripped, electrical service to the ONT would be lost but I might not be aware of it until the battery in the BBU was drained as the rest of the house would still have electrical service. A GFCI can sometimes trip for pretty insignificant events that would really pose no danger to the ONT or BBU. I don't know what Verizon's position on connecting to a GFCI is now, but if your nearby outlet is a GFCI, or is GFCI-protected, you might want to be prepared to change it out.
Just something that might affect your installation.
Thanks for all the additional info... I ran RG6 to my 2 drops this weekend, as well as cat5E for the router/modem, and I installed the backerboard. The outlet that's about 3 feet from the backerboard is NOT GFCI. Thanks for the tip though just in case it was.
I'm pushing for in basement ONT install. No reason for it not to be..... This guy should be in and out of here in record time! As long as the cablecards and the Tivo HD behave.