Allied Telesis AT-9448Ts/XP (Basic Layer 3) - Manual (Page 91)

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Chapter 7
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 92
 “Power LED is Off” on page 93
 “Twisted Pair Port Link LED is Off” on page 94
 “Fiber Optic Port Link LED is Off” on page 95
 “Transceiver is Installed but the Status is “Not Present”” on page 96
 “System Fault LED is Blinking” on page 97
 “System Fault LED is Steadily On” on page 98
 “Cannot Establish a Local (Out-of-Band) Management Session” on
page 99
 “Switch Functions Intermittently” on page 100
Note
If after following the instructions in this chapter you are unable to
resolve a problem, contact Allied Telesis Technical Support for
assistance. Refer to “Contacting Allied Telesis” on page 13 for
contact information.