Are you connected through CAT5 from the ONT right now? Or you want to switch from COAX to CAT5? If so, call Verizon and ask them to switch it. It might take more than one call but it's free and they will do it. Another option is to post your request in the Verizon direct subforum here: »
Verizon DirectAlso, keep in mind that when switching between routers there is a 2 hour IP address lease that must expire before a new router can get a connection.