Configuring Frequency Synchronization - Cisco ASR 9000 Series User Configuration Manual

Configuring Frequency Synchronization

• The output from a selection point on a different card.
Note that the output of a selection point can be used in a number of ways:
• To drive the signals sent out of a set of sources.
• As input into another selection point on the card.
• As input into a selection point on another card.
Use the show frequency synchronization selection command to see a detailed view of the different selection
points within the system.
Configuring Frequency Synchronization
Enabling Frequency Synchronization on the Router
This task describes the router-level configuration required to enable frequency synchronization.
SUMMARY STEPS
1. configure
2. frequency synchronization
3. clock-interface timing-mode {independent | system
4. quality itu-t option {1 | 2 generation {1 | 2}}
5. log selection {changes | errors}
6. Use one of these commands:
DETAILED STEPS
Command or Action
Step 1 configure
Step 2
frequency synchronization
Example:
RP/0/RSP0/CPU0:router(config)# frequency
synchronization
Step 3
clock-interface timing-mode {independent
| system
• end
• commit
Purpose
Enables frequency synchronization on the router.
(Optional) Configures the type of timing sources that can be used to drive
the output from a clock interface. If this command is not used, the default
quality mode is used. In the default mode, the clock interface output is
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
Configuring Frequency Synchronization
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