Cisco IE 4010 Hardware Installation Manual page 14

Port LEDs
Table 4: Meaning of Switch LED Colors in Different Modes
Port Mode LED
All Off
Speed
DUPLX
(duplex)
Cisco IE 4010 Switch Hardware Installation Guide
8
Port LED Color
Off
Green
Blinking green
Alternating green-amber
Amber
10/100/1000/SFP ports
Downlink Ports
Off
Amber
Green
Flashing green
Uplinks Ports
Green
Off
Amber
Green
Product Overview
Meaning
No link, or port was
administratively shut down.
Link present, no activity.
Activity. Port is sending or
receiving data.
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.
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.
Port is not operating.
Port is operating at 10 Mb/s.
Port is operating at 100 Mb/s.
Port is operating at 1000 Mb/s.
Port is operating at 1000 Mb/s.
Port is not operating.
Port is operating in half duplex.
Port is operating in full duplex.