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4-1
Chapter 4
Troubleshooting
This chapter provides suggestions for troubleshooting problems with a Model
5625HD EtherSpeedII 24-Port Autonegotiating Switch Module and includes the
following topics:
• Preliminary steps in troubleshooting (page 4-2
)
• Incompatibility with the configuration of a previously installed module
(page 4-2
)
• Startup failure in the Model 5625HD switch module (page 4-3
)
• Problems with the port connection (page 4-4
)
To expedite support when you call Nortel Networks, please have the following
information ready:
• Hardware configuration
• Software configuration (including the image file version number and
SpeedView version number)
• Network diagram
• Module or switch part number and serial number for the suspected module
• Brief description of the problem