Nortel Networks 207344-B manual Label Color/Status Meaning

Using the Centillion EtherSpeedII Switch Modules

Table C-1 describes the operating conditions that cause the LEDs to light on the switch module.

Table C-1. LEDs on the EtherSpeedII 10/100BASE-T Switch Module

Label	Color/Status	Meaning
LINK (port status)	Green	Link present
	Yellow	TX/RX activity
	Off	No link established
10/100 (port speed)	Off	Port operating at 10 Mb/s
	Green	Port operating at 100 Mb/s
	Amber	Line error
		The port speed LED illuminates amber for
		the following reasons:
		•	Frame too long
		•	CRC errors
		•	Alignment errors

• Transmit and receive collisions (HDX mode)

C-2 207344-B