Chapter 5
Troubleshooting
This chapter contains information about how to troubleshoot a switch in the event a problem occurs. Sections in the chapter include:
“Power LED is Off” on page 112
“Twisted Pair Port Link LED is Off” on page 113
“SFP or SFP+ LED is Off” on page 114
“Transceiver is Installed but the Status is “Not Present”” on page 115
“System Fault LED is Flashing” on page 116
“Cannot Establish a Local
“Switch Functions Intermittently” on page 118
“Issues with Virtual Stacking Chassis Configuration” on page 119
Note
If you are unable to resolve the problem after following the instructions in this chapter, contact Allied Telesis Technical Support for assistance. Refer to “Contacting Allied Telesis” on page 18 for contact information.
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