197

Chapter 9

Troubleshooting
This chapter contains information on how to troubleshoot the SwitchBlade
x3112 product.
Note
If you are unable to resolve a hardware problem after following the
instructions in this chapter, contact Allied Telesis Technical Support
for further assistance. Refer to “Contacting Allied Telesis” on
page 17 for contact information.
The following troubleshooting information is available:
“AT-SBxPWRSYS1 and AT-SBxPWRPOE1 AC Power Supplies” on
page 198
“AT-SBxPWRSYS1 DC Power Supply” on page199
“Ethernet Line Cards” on page 201
“Twisted Pair Ports” on page203
“Power Over Ethernet” on page 205
“Fiber Optic Transceivers” on page207
“AT-SBx31CFC Central Fabric Controller Card” on page209
“AT-SBxFAN12 Fan Module” on page210
“Local (Out-of-Band) Management Session” on page 211
“Power Supply Interfaces (Opto-couplers)” on page 212