Cisco 3524XL Hardware Installation Guide - Page 38

Table 1-8, Meaning of LED Colors in Different Modes on the Catalyst 3524-PWR XL Switch - ip address

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Front-Panel Description Chapter 1 Product Overview Table 1-8 Meaning of LED Colors in Different Modes on the Catalyst 3524-PWR XL Switch Port Mode STATUS (port status) LED Color Off Solid green Flashing green Alternating green-amber Solid amber Meaning No link. Link present. Activity. Port is transmitting 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 not forwarding. Port was disabled by management or an address violation or was blocked by Spanning Tree Protocol (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. DUPLEX Off Green SPEED (speed) 10/100 ports Off Green 1000BaseX ports Off Green LINE PWR Off (inline power) Green Port is operating in half duplex. Port is operating in full duplex. Port is operating at 10 Mbps. Port is operating at 100 Mbps. Port is not operating. Port is operating at 1000 Mbps. Inline power is off. Inline power is on. If the Cisco IP Phone 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. 1-20 Catalyst 3500 Series XL Hardware Installation Guide 78-6456-03

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Chapter 1
Product Overview
Front-Panel Description
1-20
Catalyst 3500 Series XL Hardware Installation Guide
78-6456-03
Table 1-8
Meaning of LED Colors in Different Modes on the Catalyst 3524-PWR XL Switch
Port Mode
LED Color
Meaning
STATUS
(port status)
Off
No link.
Solid green
Link present.
Flashing 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.
Solid amber
Port is not forwarding. Port was disabled by management or an
address violation or was blocked by Spanning Tree Protocol (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.
DUPLEX
Off
Port is operating in half duplex.
Green
Port is operating in full duplex.
SPEED
(speed)
10/100 ports
Off
Port is operating at 10 Mbps.
Green
Port is operating at 100 Mbps.
1000BaseX ports
Off
Port is not operating.
Green
Port is operating at 1000 Mbps.
LINE PWR
(inline power)
Off
Inline power is off.
Green
Inline power is on.
If the Cisco IP Phone 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.