Canton 3C16476CS manual Module Active LEDs, Physical Features, StatusMeaning

Status	Meaning
Flashing Yellow	Packets are being received or
	transmitted on the port at 10 Mbps
Off	Link not established, either nothing is
	connected to the port, or there is a
	problem.
	■	Verify that the attached device is
		powered on
	■	Verify that the cable or fiber is the
		correct type and is not faulty
	■	For fiber connections, ensure that the
		receive (RX) and transmit (TX) cable
		connectors are not swapped

If these checks do not identify the cause of the problem, it may be that the unit or the device connected to the port is faulty. Contact your 3Com network supplier for further advice.

Table 5 10BASE-T/100BASE-TX/1000BASE-T Ports

StatusMeaning

Green	Link established, operating at 1000
	Mbps
Yellow	Link established, operating at 10 or 100
	Mbps
Flashing Green	Packets are being received or
	transmitted on the port at 1000 Mbps
Flashing Yellow	Packets are being received or
	transmitted on the port at 10 or 100
	Mbps

Physical Features 11

Status	Meaning
Flashing Yellow to	Port disabled or link loopback error
Green
Off	Link not established, either nothing is
	connected to the port, or there is a
	problem.
	■	Verify that the attached device is
		powered on
	■	Verify that the cable or fiber is the
		correct type and is not faulty
	■	For fiber connections, ensure that the
		receive (RX) and transmit (TX) cable
		connectors are not swapped

If these checks do not identify the cause of the problem, it may be that the unit or the device connected to the port is faulty. Contact your 3Com network supplier for further advice.

(4) Module Active LEDs

The Module Active LEDs show the status of any SFP modules that are installed.

Table 6 Module Active LEDs

StatusMeaning

Green	Fiber SFP is inserted in the slot
Off	No fiber SFP is inserted in the slot