A MOCA Bridge is an layer 2 ethernet bridge that passes ethernet frames between a MOCA (coax) network segment and a cat5 network segment. The Verizon provided Actiontec or Westell router includes two MOCA bridges.
•A MOCA WAN bridge which provides coax connectivity between the ONT and the router.
•A MOCA LAN bridge which provides connectivity between the router and the Verizon Set-Top Boxes (STBs).
A MOCA bridge is also a good way to extend connectivity into rooms that do not have a cat5 connection. See the following FAQ: »Verizon Online FiOS FAQ »Can I get an ethernet connection in a room with only coax?
Several third-party MOCA bridges are currently available:
# Indicates device is manufacturer discontinued. Can frequently be found on ebay, except for the Linksys.
•Actiontec MI424-WR router - available used on eBay for $5 - $70, depending on hardware revision.
•Westell 9100EM - Also available on eBay.