Cisco 3524XL - Catalyst Enterprise Edition Switch Hardware Installation Manual page 37
Catalyst 3500 series xl
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Also See for 3524XL - Catalyst Enterprise Edition Switch:
- Datasheet (6 pages) ,
- Installation manual (160 pages)
Table of Contents
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Chapter 1
Product Overview
Table 1-7
Meaning of LED Colors in Different Modes on the Catalyst 3508, 3512, 3524, and
3548 XL Switches
Port Mode
LED Color
STATUS
Off
(port status)
Solid green
Flashing green
Alternating
green-amber
Solid amber
UTL
Green
(utilization)
DUPLEX
Off
Green
10/100 ports
SPEED
(speed)
Off
Green
1000BaseX ports
Off
Green
78-6456-03
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).
After a port is reconfigured, the port LED can remain
Note
amber for up to 30 seconds as STP checks the switch for
possible loops.
The LEDs display backplane utilization on a logarithmic scale.
If all port LEDs are green, the switch is using 50 percent or more
of its total bandwidth capacity. If the right-most LED is amber, the
switch is using less than 50 percent of its total bandwidth. If the
LED to the left of the right-most LED is amber, the switch is using
less than 25 percent of its total capacity, and so on.
See Figure 1-13, Figure 1-15, and Figure 1-16 for details.
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.
Catalyst 3500 Series XL Hardware Installation Guide
Front-Panel Description
1-19
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