Installation guide

1-13
Catalyst 3560 Switch Hardware Installation Guide
OL-6337-03
Chapter 1 Product Overview
Front Panel Description
STAT
(port status)
Off No link, or port was administratively shut down.
Green Link present.
Blinking green Activity. Port is transmitting or receiving data.
Alternating
green-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.
Amber Port is blocked by Spanning Tree Protocol (STP) and is not
forwarding data.
Note After a port is reconfigured, the port LED can remain
amber for up to 30 seconds as STP checks the network
topology for possible loops.
Blinking amber Port is blocked by STP and is not transmitting or receiving
packets.
DUPLX
(duplex)
Off Port is operating in half duplex.
Green Port is operating in full duplex.
SPEED
10/100 and 10/100/1000 ports
Off Port is operating at 10 Mbps.
Green Port is operating at 100 Mbps.
Flashing green Port is operating at 1000 Mbps.
SFP ports
Off Port is operating at 10 Mbps.
Green Port is operating at 100 Mbps.
Blinking green Port is operating at 1000 Mbps.
Note When installed in Catalyst 3560 switches, 1000BASE-T
SFP modules can operate at 10, 100, or 1000 Mbps in
full-duplex mode or at 10 or 100 Mbps in half-duplex
mode.
Table 1-5 Meaning of Port LED Colors in Different Modes on the Switch (continued)
Port Mode LED Color Meaning