Cisco Catalyst 2900 Series Hardware Installation Guide

Chapter 3 Troubleshooting
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Catalyst 2900 Series XL Modules Hardware Installation Guide
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Port LED is off. Device has no power. Ensure that the switch and the target device
have power.
Wrong cable type. Verify that the cable is correct: crossover or
straight-through.
Bad cable.
No cable.
Replace with a known good cable.
Insert and connect cable.
Expansion slot
LED is amber.
Module failed POST. Ensure that the switch is running an IOS
software release that supports the module.
(See “Key Features” in Chapter 1,
“Overview.”) If the IOS software release is
correct, call Cisco Systems to replace the
module.
Switch crashes or
reboots
Removed the module before
disconnecting the module port
cables.
Reset switch (if the switch doesn’t reset
itself). When hot swapping the module,
disconnect the cable from the module port
before removing the module from the switch.
Table 3-1 Common Problems and Their Solutions (continued)
Symptom Possible Causes Corrective Action

Cisco Catalyst 2900 Series Specifications

General

Brand	Cisco
Model	Catalyst 2900 Series
Category	Switch
Language	English