Data processing: measuring – calibrating – or testing – Testing system – Including specific communication means
Reexamination Certificate
2007-10-23
2007-10-23
Raymond, Edward (Department: 2857)
Data processing: measuring, calibrating, or testing
Testing system
Including specific communication means
C455S067110
Reexamination Certificate
active
09806563
ABSTRACT:
A method for testing subscriber access lines wherein the test is carried out locally, online and virtually all the time with the assistance of the digital signal processor for the subscriber line. The test results are gathered at a central point and are signaled from there; when required, to specific locations in the subscriber access network, for example, to a distribution node where maintenance work is currently being carried out.
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Siemens “Information Zugangstechnik Integrierte Teilnehmerleitungsprufung (ILTF) A30808-X2731-J630-1-29” (pages 1-8).
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Christensen Svend
Dirscherl Ludwig
Liefländer Ulrich
Rudolf Hans-Werner
Schmöller Franz
Raymond Edward
Siemens Aktiengesellschaft
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