System Messages; Troubleshooting With Software; Troubleshooting The Power Supply - Cisco Line Card 4500 E-Series Installation Manual

System Messages

Step 5 If the boot information and system banner are not displayed, verify that the terminal is set for 9600 baud,
8 data bits, no parity, and 1 stop bit and connected properly to the console port.
System Messages
System messages appear on the console if you have enabled console logging or appear in the syslog if
you have enabled syslog. Many messages are for informational purposes only and do not indicate an
error condition. Enter the show logging command to display the log messages. To better understand a
specific system message, refer to the system message guide for your software release. Most messages
are also documented in the Error Message Decoder tool at:
http://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi
System messages specific to the system components are mentioned in the corresponding sections that
follow. If you see one of these messages, use the Decoder tool and follow the suggestion provided there.

Troubleshooting with Software

Many problems can be identified with CLI commands, and following sections will mention them as
appropriate.
Certain problems can be due to not having the right software to support your hardware. For the most
recent software release to get the current recommended version for a particular system component,
please refer to the release notes at
http://www.cisco.com/en/US/products/hw/switches/ps4324/prod_release_notes_list.html

Troubleshooting the Power Supply

To help isolate a power subsystem problem, follow these steps:
Check whether the power supply LED labeled GOOD is on or the LED labeled FAIL is on. (on the DC
Step 1
multi-input power supply, the LEDs are labeled INPUT 1, 2, or 3 or OUTPUT FAIL.)
If the LED labeled GOOD is off or if the LED labeled FAIL is on, take the following steps:
Step 2
•
•
If the LED labeled GOOD remains off, there might be a problem with the AC source or the power cable.
Step 3
Connect the power cord to another power source if one is available. Verify that the source power is
acceptable within the specifications of the power supply.
Step 4 If the LED labeled GOOD fails to light after you connect the power supply to a new power source,
replace the power cord.
Note
Catalyst 4500 E-Series Switches Installation Guide
5-4
Ensure that the power supply is flush with the back of the chassis.
Unplug the power cord, loosen and reinstall the power supply, tighten the captive installation screws,
and then plug in the power cord.
If this unit has more than one power cord, repeat Step 1 through
Chapter 5 Troubleshooting
Step 4 for each power input.
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