Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2006-01-04
2008-08-05
Pham, Chi H. (Department: 2616)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S395100, C375S222000
Reexamination Certificate
active
07408888
ABSTRACT:
The method for the automatic configuration of a DSL modem, comprises connecting a DSL modem to an analog telephone line, automatically determining available communication resources on the analog telephone line, and thereafter automatically configuring the DSL modem based on the available communication resources. Automatic configuration of the DSL modem is essentially undertaken by (i) automatically ascertaining if a circuit capable of communicating DSL signals is available by automatically detecting if a DSL communication circuit exists on the analog telephone line, and thereafter (ii) automatically configuring the DSL modem for a virtual communication route that is confirmed to be working by automatically identifying a virtual communication route for communications between the DSL modem and a communications network. A DSL modem which performs this method is also provided.
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Hagler Christopher S.
Powers Adam
Elallam Ahmed
Pham Chi H.
The DIRECTV Group Inc.
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