Patent ID: 7522714

Claim:
A digital access multiplexer apparatus for use with first, second and third telephone wire pairs, each telephone wire pair comprising two conductors and being connected to carry an analog telephone signal in an analog telephone frequency band and a bi-directional digital data signal in a digital data frequency band distinct from, and higher than, the analog telephone frequency band, said apparatus comprising: first, second and third wiring connectors for respectively connecting to the first, second, and third telephone wire pairs; first, second and third low pass filters respectively connected to said first, second, and third wiring connectors, each said low pass filter being operative to substantially pass only signals in the analog telephone frequency band; a telephone connector connectable to a telephony device and connected to said first low pass filter; first, second and third high pass filters respectively connected to said first, second, and third wiring connectors, each said high pass filter being operative to substantially pass only signals in the digital data frequency band; first, second and third telephone line modems respectively connected to said first, second, and third high pass filters, each said telephone line modem being operative to bi-directionally communicate digital data with a single mating modem in the digital data frequency band; a local area network connector connectable to a data unit; a transceiver connected to said local area network connector for packet-based full-duplex communication with the data unit; a router connected to said first, second and third telephone line modems and to said transceiver for sharing data therebetween; and a single enclosure housing said first, second and third low pass filters, said first, second and third high pass filters, said second connector, said first, second and third telephone line modems, said local area network connector, said transceiver and said router.