Hi all, Can someone help to explain the following error message : Oct 15 14:39:14.024: %SFF8472-5-THRESHOLD_VIOLATION: Te2/0/1: Rx power high warning; Operating value : -1.8 dBm, Threshold value: -2.0 dBm. Does the message suggest a faulty optic?. Thanks in advance. Rgds Harry Harry Hambi BEng(Hons) MIET Rsgb