Cable does not require a phone line but does require service from a Cable TV provider. It is a high speed, always on, broadband solution to connect to the Internet. 

A firewall is recommended for every type of connection to the Internet.

Once we have installed your LAN it is a simple matter of connecting your hub and/or router with the Cable modem provided by your ISP.

10Base-T Smart Jacks don't require the installation of a second and parallel cabling infrastructure.