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DP83867: compliance test of 10Base-T

toshi-e2e
Genius 4830 points

Hi all,
My customer tried to do the compliance test of 10base-T and 100base-T, but the both tests are failed
because the output level is smaller than the stipulated value.

Could you please give me your advice for increasing the output level?


 

Thanks in advance.
Regards,
Toshi

  • 0
    TI__Mastermind 31600 points

    Please note that the DP83867 supports a 10Base-Te line driver.  As shown in the datasheet, the 10Base-Te output voltages (1.54 - 1.96V) are lower than those of 10Base-T (2.2 - 2.8V).  A different load is also used for 10Base-Te compliance testing.  The customer must make sure they are using the TPM for 10Base-Te. 

    Patrick