Cisco WS-C2955T-12 Software Manual page 55

Chapter 2 Getting Started with CMS
Table 2-9 Port LEDs on the Catalyst 3500 XL Switches
Port Mode
STATUS
DUPLEX
SPEED
LINE PWR
(Catalyst 3524-PWR XL
only)
78-6511-08
Port LED Color Description
Cyan (off) No link.
Green Link present.
Amber 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 not forwarding. Port was disabled by management, by an address violation,
or was blocked by STP.
Note After a port is reconfigured, the port LED can remain amber for up to 30
seconds as STP checks the switch for possible loops.
Brown No link and port is administratively shut down.
Cyan (off) Port is operating in half-duplex mode.
Green Port is operating in full-duplex mode.
10/100 Ports
Cyan (off) Port is operating at 10 Mbps.
Green Port is operating at 100 Mbps.
1000BASE-X Ports
Cyan (off) Port is not operating.
Green Port is operating at 1000 Mbps.
Cyan (off) Inline power is off.
Green Inline power is on.
If the Cisco IP Phone or Cisco access point is receiving power from an AC power
source, the port LED is off even if the IP phone is connected to the switch port.
The LED turns green only when the switch port is providing power.
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
Front Panel View
2-11