Frame processing unit with test mode, line termination module including such a frame processing unit, and method for testing such a frame processing unit
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Feb 15, 1996
filing date -
Feb 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To test the processing of a data frame processing unit (FPU) which, in a normal working mode, processes input data frames applied to a data frame input (FI) thereof, the data frame processing unit (FPU) is brought in a test mode. Therefore, an active test signal is applied to a test mode control input (TCI) of this data frame processing unit (FPU). When brought in the test mode, the frame counters of the data frame processing unit (FPU) have lower limits and test data frames with smaller dimensions than the input data frames applied to the data frame input (FI).
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