Card (ONS 15310-CL, ONS 15310-MA, and ONS 15454 only) Use the Card subtab to change the card mode. Item Description Mode Shows the modes that can be selected: • Automatic—Prevents the selection of STS during circuit creation according to Telcordia requirement. • Manual—Allows the selection of STS during circuit creation. Apply Applies changes made to the port parameters. Reset Cancels any changes to the port parameters and returns the field to its last-saved settings. Help Displays context-sensitive help.