Cisco IE 4010 User Manual

Table 4: Meaning of Switch LED Colors in Different Modes
MeaningPort LED ColorPort Mode LED
No link, or port was
administratively shut down.
OffAll Off
Link present, no activity.Green
Activity. Port is sending or
receiving data.
Blinking green
Link fault. Error frames can affect
connectivity, and errors such as
excessive collisions, CRC errors,
and alignment and jabber errors are
monitored for a link-fault
indication.
Alternating green-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.
Amber
10/100/1000/SFP portsSpeed
Downlink Ports
Port is not operating.
Off
Port is operating at 10 Mb/s.Amber
Port is operating at 100 Mb/s.Green
Port is operating at 1000 Mb/s.Flashing green
Uplinks Ports
Port is operating at 1000 Mb/s.
Green
Port is not operating.
OffDUPLX
(duplex)
Port is operating in half duplex.Amber
Port is operating in full duplex.Green
Cisco IE 4010 Switch Hardware Installation Guide
8
Product Overview
Port LEDs

Cisco IE 4010 Specifications

General

Brand	Cisco
Model	IE 4010
Category	Switch
Language	English