D-Link dgs-1024d/f2a [16/33] Cable diagnostics

Cable Diagnostics

When the Switch is booted up (when the Switch is first powered on),

the Cable Diagnostics function is initialized and run. The Cable

Diagnostics function will detect two common faults in an Ethernet cable

connecting the Switch to a remote network device: an open circuit (a

lack of continuity between the pins at each end of the Ethernet cable or

a disconnected cable), and a short circuit (two or more conductors

short-circuited). Any of these common cable faults will be detected by

the Cable Diagnostics function and the LEDs will display the results of

the Cable Diagnostics function as follows:

Open or Short circuit

- Link/Act/Speed: Amber

Cable Connection in good status

- Link/Act/Speed: Green

During the diagnostics, each port is scanned to determine if the

Ethernet cable and connectors is in good working order. During the

diagnostics process the LED for each port blinks green in sequential

order. If a cable fault is detected, the corresponding port’s Link/Act/

Speed LED will light amber. The Switch then goes for normal operation.

NOTE: the Cable Diagnostics function does not

detect the length of Ethernet cabling. Remember

that the length of cabling between two Ethernet

devices may not exceed 100 meters (or 300 feet).