
Chapter 4
Troubleshooting
This chapter describes troubleshooting techniques for the Passport 8100 modules.
This chapter includes information about the following topics:
•Normal 
•Failure to get a login prompt (page 
•Failure of the management software to recognize I/O modules (page 
•LED indications of problems (page 
•Port connection problems (page 
•Installation issues (page 
Normal Power-Up  Sequence
In a normal 
1.When power is applied to the switch, the green LED on each power supply and fan tray turns on within 5 seconds.
2.Each module initiates a 
3.Upon successful completion of the 
For information about the other LEDs on the Passport 8132TX, 8148TX, 8108GBIC, and 8190SM modules, refer to Appendix B, “LEDs.”
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