Nortel Networks 400-S manual Seven-port switch port status LEDs

64 Chapter 6 LEDs: support and diagnostic functions

Use the LED display to help you identify the type of problem with the seven-port autosensing switch and then verify that:

•The switch is powered on.

•Each cable and port connection has the correct pin assignment and that no connectors are loose.

•The Link/Activity LED glows for each port used.

If the Link LED is not on, do the following:

•Verify that the device connected to your switch has a properly functioning power supply.

•Try using a different port on your switch to connect the device.

•Try using a different port on the device connected to your switch.

Table 12 describes the LEDs that monitor the seven-port switch.

Table 12 Seven-port switch port status LEDs

Type	Label	Color	Activity	Meaning
Port Status	10/100 Link/Activity	Green	Solid	Port is connected at 100
				Mb/s
Port Status	10/100 Link/Activity	Amber	Solid	Port is connected at 10 Mb/s.
Port Status	10/100 Link/Activity	Green	Blinking	100 Mb/s activity is occurring
				on the port
Port Status	10/100 Link/Activity	Amber	Blinking	10 Mb/s activity is occurring
				on the port
Port Mode	FDX	Green	Solid	Port is operating in
				full-duplex mode
Port Mode	FDX	Off	Off	Port is operating in
				half-duplex mode

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