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SN75LVCP601: SN75LVCP601 need helping about adjust

Part Number: SN75LVCP601


I'm facing a problem, the output signal from SN75LVCP601 does not fit with Inter rules.detail as follow:

First,test points are shown as following picture:

1:at TP1 testing point, SATA3 Socpe as following picture, and redriver was set:EQ=0dB,DE=-2dB,DEW=long. it seems fine.

2:at TP2 testing point, the result as follow. And this result seems not fix with Inter rules.

detail result:

inter rules:

what can i do to improve my output signal?