Carrier Signal; Cleaning The Fiber-Optic Connections - Cisco 10720 - Internet Router Installation And Configuration Manual

Cleaning the Fiber-Optic Connections

See the
that identifies late collisions.

Carrier Signal

The lost carrier, no carrier numbers track the number of lost carrier detect signals that have occurred.
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Cleaning the Fiber-Optic Connections
For information about cleaning fiber-optic cable connectors and receptacles, see the
Cleaning Procedures for Fiber-Optic Connections
procedures and equipment required to properly clean fiber-optic connections.
Cisco 10720 Internet Router Installation and Configuration Guide
4-22
"Verifying Interface Configuration" section on page 4-19
If the transmit clock signal is not active, check the interface for malfunction.
Check for a cable problem.
Carrier signal resets can occur when an interface is in one of the following states:
Looped back.
–
Shut down.
–
for a complete example of the output
document. It provides detailed illustrations and photos of
Chapter 4 Troubleshooting
Inspection and
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