Chapter 4
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 56
“Twisted Pair Port Link LED is Off” on page 57
“SFP or XFP LED is Off” on page 58
“Transceiver is Installed but the Status is “Not Present”” on page 59
“System Fault LED is Blinking” on page 60
“System Fault LED is Steadily On” on page 61
“Cannot Establish a Local
“Switch Functions Intermittently” on page 63
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 12 for contact information.
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