TX2 RJ45 SI measurement

Hi Sir,
we have our own carrier board for TX2 and need to measure SI (signal integrity) for RJ45.
But RJ45 should be in test mode when measuring SI on the scope.
Could you provide test commend for RJ45 test mode?

Thanks.
Eric.

Please refer to this topic: https://devtalk.nvidia.com/default/topic/1027764/eye-diagram-for-ethernet/