Chapter 4 Troubleshooting Line Card - Cisco 10000 Series Troubleshooting Manual

Chapter 4 Troubleshooting Line Cards
Table 4-1
Table 4-1
Fault
Fail LED is lit indicating that
the line card has failed
Carrier LED is off and
interface is enabled
Fail LED blinks then lights
steadily repeatedly
or
Card seems to be passing
traffic (Tx/Rx lights), but
cannot communicate with the
PRE
OL-0439-02
describes fault conditions on the OC-12 POS line card and recommended corrective actions.
OC-12 POS Line Card Fault Indications and Recommended Action
Corrective Action
1.
2.
3.
4.
1.
2.
3.
4.
1.
2.
3.
Troubleshooting the OC-12 Packet-Over-SONET Line Card
Reinsert the line card.
Replace the line card.
Insert the line card in another slot.
Contact the Cisco TAC.
Check the fiber optic cable, making sure that it is properly
attached at both ends.
Make sure that you are using the proper fiber type.
Check the cable connections on the remote equipment.
Contact the Cisco TAC.
Check for bent pins on the backplane.
If there are no bent pins, replace with a new line card.
Try inserting the line card in a different slot.
If the card works in a different slot, the Cisco 10000 series router
backplane may be defective. Contact the Cisco TAC.
Cisco 10000 Series Router Troubleshooting Guide
4-3