Comments from Hans:- Current CAT6A shielding might insufficient against capacitive burst noise, replace by better CAT7 cable for improvement (suggest to measure MSE, mean square error by XuBin to see ultimate physical property of CAT6A);- Improve shield attachment of TC cable and connector (at both ODU and Trolley side);- Use performance criterion per EGA for explanation since such disturbance is rarely occurred in real world;