Cisco Systems 3650 manual Port Mode Port LED Color Meaning

Chapter 1 Product Overview

Front Panel

Table 1-4	Meaning of Switch LED Colors in Different Modes
Port Mode		Port LED Color	Meaning
STAT		Off	No link, or port was administratively shut down.
(port status)
		Green	Link present, no activity.
		Blinking green	Activity. Port is sending or receiving data.
		Alternating	Link fault. Error frames can affect connectivity, and errors such as
		green-amber	excessive collisions, CRC errors, and alignment and jabber errors
			are monitored for a link-fault indication.
		Amber	Port is blocked by Spanning Tree Protocol (STP) and is not
			forwarding data.
			After a port is reconfigured, the port LED can be amber for up to 30
			seconds as STP checks the switch for possible loops.
SPEED		10/100/1000/SFP ports
		Off	Port is operating at 10 Mb/s.
		Green	Port is operating at 100 Mb/s.
		Single green	Port is operating at 1000 Mb/s.
		flash (on for
		100 ms, off for
		1900 ms)
		SFP+ ports
		Off	Port is not operating.
		Blinking green	Port is operating at up to 10 Gb/s.
DUPLX		Off	Port is operating in half duplex.
(duplex)
		Green	Port is operating in full duplex.
ACTV		Off	The switch is not the active switch.
(data active			Note For a standalone switch, this LED is off.
switch)
		Green	The switch is the active switch.
		Amber	Error during active switch election.
		Blinking green	Switch is a standby member of a data stack and assumes active
			responsibilities if the current active switch fails.
STACK		Off	No stack member corresponding to that member number.
(stack member)
		Blinking green	Stack member number.
		Green	Member numbers of other stack member switches.

	Catalyst 3650 Switch Hardware Installation Guide
OL-29734-01		1-11