Patent · US Expired

Method and apparatus for determining a topology of a subscriber line loop

US7263121B2 · kind B2 · utility

2Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2003
Grant dateAug 28, 2007
Priority date
Expiry dateSep 25, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B2203/5408
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An xDSL modem for data transmission between a central office and a customer device over a subscriber line includes a topology determining unit and a control unit. The topology determining unit is configured to determine the topology of the subscriber line. The control unit is configured to switch the xDSL modem between a normal mode for data transmission and a topology determining mode for determining the topology of the subscriber line.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.