Cisco WS-C2950T-48-SI Hardware Installation Manual page 38

Front-Panel Description
Table 1-6
Port Mode
SPEED
Table 1-7
Port Mode
STAT (port status)
DUPLX
(half or full duplex)
Catalyst 2950 Switch Hardware Installation Guide
1-18
Meaning of Port LED Colors in Different Modes for Non-LRE Switches (continued)
Color
10/100 ports
Off
Green
10/100/1000 ports
Off
Green
Flashing green Port is operating at 1000 Mbps.
1000BASE-X GBIC module ports
Off
Green
Meaning of Port LED Colors in Different Modes for the LRE Switches
Color
Off
Solid green
Flashing green Activity. Port is sending or receiving data.
Alternating
green-amber
Solid amber
Off
Green
Meaning
Port is operating at 10 Mbps.
Port is operating at 100 Mbps.
Port is operating at 10 Mbps.
Port is operating at 100 Mbps.
Port is not operating.
Port is operating at 1000 Mbps.
Meaning
No link.
Link present.
Note The LRE port LED turns green approximately 30 seconds
after the LRE port detects a connection to an LRE CPE.
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.
A link is established on a nonassigned LRE profile, or a port is
not forwarding.
If a port is not forwarding, it was disabled by management, an
address violation, or STP.
After a port is reconfigured, the port LED can remain
Note
amber for up to 30 seconds while STP checks the switch
for possible loops.
Port is operating in half duplex.
Port is operating in full duplex.
Chapter 1 Overview
OL-6156-01