In this DSS (Digital Satellite System) jack. The jack is wired with CAT5e wiring for telephone. It is connected for two lines (line 1 and line 2). And, there are two RG6 Quad Shield coaxial jacks, one for local antenna (high definition), and the other for either satellite or cable tv.

The voice jack can be converted from a RJ45 phone jack to a RJ45 LAN jack, for use with a local area network (LAN).