Telephonic communications – Subscriber line or transmission line interface – Network interface device
Reexamination Certificate
2007-07-03
2007-07-03
Swerdlow, Daniel (Department: 2615)
Telephonic communications
Subscriber line or transmission line interface
Network interface device
C725S106000, C725S110000
Reexamination Certificate
active
10715878
ABSTRACT:
A network interface device located at a customer's premises includes an external interface that receives a plurality of telecommunication services via a coaxial connection from a telecommunication service provider. The services are received using Data Over Cable Service Interface Specifications. The network interface device also includes at least two distinct internal interfaces that distribute the plurality of telecommunication services to at least two distinct internal transport media. The network interface device also includes a processor the is programmed to receive combined signals comprising the telecommunication services from the external interface, process the combined signals into separate signals representative of distinct telecommunication services, and map each of the separate signals to separate ones of the at least two distinct internal interfaces for distribution at the customer's premises via the internal transport media.
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Frank, Edward and Holloway, Jack; “Connecting the Home with a Phone Line Network Chip Set”, IEEE Micro, Mar.-Apr. 2000, pp. 2-14.
Brodigan Donald L.
Casey Steven M.
Phillips Bruce A.
Qwest Communications International Inc.
Swerdlow Daniel
Townsend and Townsend / and Crew LLP
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