Installation guide

147
Chapter 9
Troubleshooting
This chapter contains information on how to troubleshoot the SwitchBlade
x8112 product.
Note
If you are unable to resolve a hardware problem with the instructions
in this chapter, contact Allied Telesis Technical Support for further
assistance. Refer to “Contacting Allied Telesis” on page 15 for
contact information.
The following troubleshooting information is available:
 “AT-SBxPWRSYS1 and AT-SBxPWRPOE1 Power Supplies” on
page 148
 “Ethernet Line Cards” on page 149
 “Twisted Pair Ports” on page 151
 “Power Over Ethernet” on page 153
 “Fiber Optic Transceivers” on page 155
 “AT-SBx81CFC400 Controller Fabric Card” on page 156
 “AT-SBxFAN12 Fan Module” on page 157
 “Local (Out-of-Band) Management Session” on page 158
 “Power Supply Interfaces (Opto-couplers)” on page 159