D-Link DGS-1250 User Manual - Page 285

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide Click the Refresh button to refresh the information displayed in the table. Click the Backup button to upload the surveillance log to the PC using HTTP. Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. Health Diagnostic This window is used to display Health Diagnostics information, Discovered Surveillance Devices information, and initiate a cable distance test on all or selected ports on the Switch. For each link-up port, the system will check the link status, PoE status and error counters periodically. This page will refresh every 30s. To view the following window, click Health Diagnostic, as shown below: Figure 14-21 Health Diagnostic Window The fields that are displayed in the table are described below: Parameter Port Loopback Detection Status Cable Link PoE Status Tx/Rx CRC Counter Description This field displays the Ethernet port number. This field displays the Loopback Detection status on the Ethernet port. It can be one of the following: • Normal - No loop is detected on the port. • Loop - A loop is detected on the port. This field displays the cable link status. It can be one of the following: • Pass - The port link is up and operating in the full-duplex mode. • 10M Half - The port link is up and operating at 10 Mbps speed and in the half-duplex mode. • 100M Half - The port link is up and operating at 100 Mbps speed and in the half-duplex mode. This field displays the PoE status. It can be one of the following: Delivering, Searching, Pass, MPS (Maintain Power Signature) Absent, PD Short, Overload, Power Denied, Thermal Shutdown, Startup Failure, or Classification Failure. This field displays the TX/RX CRC counter. 276