CLI Procedure for Configuring a 56k CSU Interface

For IfIndex, enter the IfIndex of the physical port where the 56K CSU is installed. Use the show system IfIndex configured command to display a list of IfIndexes. Use the information displayed for IfIndexes to configure the 56K CSU parameters described below:

Options	Description
clockSource	Sets the clocking source to externalClock or internalClock. Default = externalClock.
loopback	Used to force the CSU to be in loopback mode. Options are normalRxCondition or forceCSUtoLoopback. Default = normalRxCondition.
txControlMode	Used to select transmission of the 56k CSU Control Mode Idle sequence. Options are normalTxCondition and idle. Default = normalTxCondition.
txIdle	Used to select transmission of the All Marks (or 1s) of the Data Mode Idle sequence for all modes. Options are normalTxCondition and txIdle. Default = normalTxCondition.
txOutOfService	Used to select transmission of the Out Of Service sequence for the DDS-PRI mode, or transmission of the Abnormal Station Code sequence for the DDS-SC mode. Options are normalTxCondition and outOfService. Default = normalTxCondition.
txZeroSuppression	Enables or disables transmit zero suppression for DDS-PRI mode, or the transmission of all zeros for DDS-SC mode. Options are normalTxCondition and disable. Default = normalTxCondition.