Cisco 10000 Series

CHAPTER
4-1
Cisco 10000 Series Router Troubleshooting Guide
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4
Troubleshooting Line Cards
This chapter discusses troubleshooting faults on the following Cisco 10000 series router line cards:
• Troubleshooting the OC-12 Packet-Over-SONET Line Card, page 4-1
• Troubleshooting the Channelized T3 Line Card, page 4-4
• Troubleshooting the Gigabit Ethernet Line Card, page 4-6
Troubleshooting the OC-12 Packet-Over-SONET Line Card
Figure 4-1 describes the LEDs on the OC-12 Packet-Over-SONET (POS) line card faceplate. Use these
descriptions to verify the operation of the OC-12 POS line card.