D-Link DGS-1520 User Manual - Page 499

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide 10. OAM Cable Diagnostics DDM Cable Diagnostics The cable diagnostics feature is designed primarily for administrators or customer service representatives to verify and test copper cables; it can rapidly determine the quality of the cables and the types of error. To view the following window, click OAM > Cable Diagnostics, as shown below: Figure 10-1 Cable Diagnostics Window The fields that can be configured are described below: Parameter Unit From Port - To Port Description Select the Switch unit that will be used for this configuration here. Select the appropriate port range used for the configuration here. Click the Test button to test the specific port. Click the Clear button to clear all the information for the specific port. Click the Clear All button to clear all the information in this table. NOTE: Cable diagnostic function limitations. Cable length detection is only supported on GE ports. NOTE: The maximum cable diagnosis length is 120 meters. NOTE: The deviation of cable length detection is about 5 meters for GE ports. NOTE: For more accurate test results, use the TIA/EIA-568B pin assignment on the RJ45 connectors. 489