# Clock Management EMC keyword summary

The following table summarizes the Clock Management EMC keywords that you can change. The Readonly qualifier for these keywords is set to No:

To... | Use this keyword...
--- | ---
Apply the clock configuration to all boards in the resource host | Apply

The following table summarizes the keywords that cannot be changed. The Readonly qualifier for these keywords is set to Yes:

To... | Use these keywords...
--- | ---
Retrieve information about the Clock Management managed object | Name Version.Major Version.Minor

For more information, refer to the following topics:

To learn more about... | Refer to...
Configuring clocks | H.100/H.110 clocking overview
Setting and retrieving keywords | Accessing configuration data
Specifying keywords in configuration files using NMS OAM utilities | NMS OAM System User's Manual