Dell B-FCX manual Testing connectivity Network connection-related LED states, Desired Meaning

3 Testing connectivity

TABLE 19	Network connection-related LED states
LED	Desired	Meaning	Abnormal State	Meaning or Action
	State
Ethernet	On or	A link is established with	Off	A link is not established with the remote port. You can do the
(1-24/48)	Blinking	the remote port and user		following:
Link or	(Green or	packets are being		• Verify that the connection to the other network device has
Activity or	Amber)	transmitted or received.		been properly made. Also, make certain that the other
Speed				network device is powered on and operating correctly.
				• Verify that the port has not been disabled through a
				configuration change. You can use the CLI. If you have
				configured an IP address on the device, you also can use
				the Web management interface or Brocade Network
				Advisor.
				• For the combination ports (ports 1~4), check that the
				shared SFP port (1F~4F) is not being used.
				• If the other actions don’t resolve the problem, try using a
				different port or a different cable.
SFP	On Green	A link is established with	Off	A link is not established with the remote port. You can do the
(1F~4F)		the remote port.		following:
Link or				• Verify that the connection to the other network device has
Activity				been properly made. Also, make certain that the other
				network device is powered on and operating correctly.
				• Verify that the transmit port on the Dell device is
				connected to the receive port on the other network device,
				and that the receive port on the Dell device is connected
				to the transmit port on the other network device. If you are
				not certain, remove the two cable connectors from the
				port connector and reinsert them in the port connector,
				reversing their order.
				• Dust may have accumulated in the cable connector or port
				connector. For information about cleaning the connectors,
				refer to “Cleaning the fiber optic connectors” on page 43.
				• Verify that the port has not been disabled through a
				configuration change.
				• Check that the configuration has not forced the use of the
				RJ45 port shared with the SFP port.
				• If the other actions don’t resolve the problem, try using a
				different port or a different cable.
SFP	On (Green	A link is established with	Off	A link is not established with the remote port. You can do the
(1F~4F)	or Amber)	the remote port.		following:
Speed				• Check the Link LED to make sure the link is still

established with the remote port. If not, take the actions described in the Meaning or Action column for the Link LED.

44	PowerConnect B-FCX Switch Hardware Installation Guide
	53-1002267-01