Allied Telesis 48Ts/X, Installation Manual

Page: 103 / 120

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Chapter 5
Troubleshooting
This chapter contains information about how to troubleshoot a switch in
the event a problem occurs. Sections in the chapter include:
ˆ
“Power LED is Off” on page 104
ˆ
“Twisted Pair Port Link LED is Off” on page 105
ˆ
“SFP or SFP+ LED is Off” on page 106
ˆ
“Transceiver is Installed but the Status is “Not Present”” on page 107
ˆ
“System Fault LED is Blinking” on page 108
ˆ
“System Fault LED is Steadily On” on page 109
ˆ
“Cannot Establish a Local (Out-of-Band) Management Session” on
page 110
ˆ
“Switch Functions Intermittently” on page 111
ˆ
“Issues with Virtual Stacking Chassis Configuration” on page 112
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.