Cisco Catalyst 2900 Series Manuale di installazione dell'hardware - Pagina 36
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Table 3-1
Common Problems and Their Solutions (continued)
Symptom
Possible Causes
Port LED is off.
Device has no power.
Wrong cable type.
Bad cable.
No cable.
Expansion slot
Module failed POST.
LED is amber.
Switch crashes or
Removed the module before
reboots
disconnecting the module port
cables.
Catalyst 2900 Series XL Modules Hardware Installation Guide
3-2
Corrective Action
Ensure that the switch and the target device
have power.
Verify that the cable is correct: crossover or
straight-through.
Replace with a known good cable.
Insert and connect cable.
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.
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.
Chapter 3
Troubleshooting
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