Patent ID: 8351582

Claim:
A device for coupling a digital data signal to a first data unit, for use with a telephone wire pair, the telephone wire pair being connected for carrying a bi-directional digital data signal in a digital data frequency band distinct from, and higher than, an analog telephone frequency band, wherein said device comprises a single enclosure and, within said single enclosure: a telephone connector for connecting to the telephone wire pair; a modem connected for transmitting to and receiving the bi-directional digital data signal over the telephone wire pair; a first filter coupled between said telephone connector and said modem for substantially passing signals in the digital data frequency band; a data connector connectable to the first data unit; a transceiver coupled to said data connector for transmitting and receiving packet-based bi-directional digital data with the first data unit; and a router or a gateway coupled to pass digital data between said modem and said transceiver for handling protocol layers above the physical layer.