Allied Telesis AT-9448Ts/XP (Basic Layer 3) - Manual (Page 89)

89
Chapter 7
Troubleshooting
This chapter contains information about how to troubleshoot a switch in
the event a problem occurs. Sections in the chapter include:
ˆ “No Master Switch” on page 90
ˆ “Power LED is Off” on page 91
ˆ “Twisted Pair Port Link LED is Off” on page 92
ˆ “Fiber Optic Port Link LED is Off” on page 93
ˆ “Transceiver is Installed but the Status is “Not Present”” on page 94
ˆ “System Fault LED is Blinking” on page 95
ˆ “System Fault LED is Steadily On” on page 96
ˆ “Cannot Establish a Local (Out-of-Band) Management Session” on
page 97
ˆ “Switch Functions Intermittently” on page 98
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 12 for
contact information.