VIAVI TestCenter: DX3-400GS-T2 - 400G link does not link up with DUT but VIAVI back to back ports are works fine.
Knowledge Base - FAQ
400G link doesn’t come up or taking more time with default settings when AN is disabled.
DX3-400GS-T2 card has AN disabled by default
In L1ConfigGroup - AN/LT Transceiver tab is loading the wrong default settings ( pre:0, main:19 post:0) by default instead of pre:-2 , main:11 post:0.
Also, seems the "saved emphasis file" option is not helping, when the customer opens a new GUI, the GUI didn't apply the right settings.
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