Technical data

234 FastIron Ethernet Switch Administration Guide
53-1002637-02
Virtual cable testing
9
• If the remote pair is set to forced 100 Mbps, any change in MDI/MDIX may cause the device to
interpret the Multilevel Threshold-3 (MLT-3) as a reflected pulse, in which case, the device will
report a faulty condition. In this scenario, it is recommended that you run the TDR test a few
times for accurate results.