VC4
Use the VC4 subtab to provision the line parameters on the cards or ports.
 
Item
Description
VC4
The VC4 number.
Enable IPPM
Allows you to enable intermediate path performance monitoring (IPPM).
SD Ber Level
(STM1E-12 cards only) Displays the signal failure bit error rate.
SF Ber Level
(STM1E-12 cards only) Displays the signal degrade bit error rate.
Apply
Applies changes made to the fields in the tab.
Reset
Cancels any changes to the tab and returns the fields to their last-saved settings.
Help
Displays context-sensitive help.

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