Patent ID: 7715534

Claim:
A device adapted to be coupled to a bi-directional serial digital data signal in a digital data frequency band, an AC power signal having an AC power frequency and an analog telephone signal in an analog telephone frequency band, the data, power and telephone signals being frequency multiplexed to be carried concurrently over a single telephone wire pair comprising two conductors, said device comprising: a wiring connector for connecting to the telephone wire pair; a telephone connector connectable to an analog telephone device and operative to couple the analog telephone signal to the analog telephone device; a first filter coupled between said telephone connector and said wiring connector and operative to substantially pass signals in the analog telephone frequency band and to substantially stop signals in the digital data frequency band; a data connector connectable to a data unit and operative to couple the bi-directional serial digital data signal to the data unit; a second filter coupled to said wiring connector and operative to substantially pass signals in the digital data frequency band and to substantially stop signals in the analog telephone frequency band; a telephone wire pair modem coupled between said second filter and said data connector and operative to conduct the bi-directional serial digital data signal in the digital data frequency band over the telephone wire pair; and a single enclosure housing said wiring connector, said telephone connector, said data connector, said first and second filters and said telephone wire pair modem, wherein said telephone wire pair modem is coupled to said wiring connector for being powered by the AC power signal.