Installation guide

• #2 Phillips screwdriver
• Replacement management module
Faulty management module indicators
Confirm that you need to replace the management module. The following events might indicate that a
management module is faulty:
• The status LED on the management module is lit steady amber, or the power LED is not lit.
• The management module does not respond to Telnet commands, or the serial console is not
available.
• The show mm command does not show that the management module is enabled.
• Additional information from the show mm command indicates a problem.
• The clock is inaccurate, or the management module does not boot up or shut down normally.
For more information about error messages, refer to the Network OS Message Reference.
Recording critical configuiration information
Back up the chassis configuration before you replace a management module. Refer to Recording
critical configuiration information for backup information.
Removing a management module
Refer to ESD precautions on page 69 before removing a management module.
The chassis continues to operate while a management module is being replaced if the redundant
management module is active and a failover has already occurred.
Complete the following steps to remove a management module. Refer to the illustration provided with
the procedure.
1. Remove any cables connected to the module.
2. Unscrew the captive screws from both ejectors using the Phillips screwdriver.
3. Rotate both ejectors simultaneously toward the center of the module.
4. Pull the management module out of the chassis by the ejectors.
Faulty management module indicators
Brocade VDX 8770-8 Hardware Installation Guide 75
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