Allied Telesis AT-9448Ts Installation Manual page 83

Chapter 5
Troubleshooting
This chapter contains information about how to troubleshoot a switch in
the event a problem occurs. Sections in the chapter include:
"No Master Switch" on page 84
"Power LED is Off" on page 85
"Twisted Pair Port Link LED is Off" on page 86
"Fiber Optic Port Link LED is Off" on page 87
"Transceiver is Installed but the Status is "Not Present"" on page 88
"System Fault LED is Blinking" on page 89
"System Fault LED is Steadily On" on page 90
"Cannot Establish a Local (Out-of-Band) Management Session" on
page 91
"Switch Functions Intermittently" on page 92
Note
If after following the instructions in this chapter you are unable to
resolve the problem, contact Allied Telesis Technical Support for
assistance. Refer to "Contacting Allied Telesis" on page 15 for
contact information.
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