Configuration Option TablesA-37112-A2-GB20-20 March 1998Network Interface Options MenuFor Network Interface Options, refer to Table A-2. To access the NetworkInterface Options screen, follow this menu selection sequence:Main Menu →Configuration →Load Configuration From →NetworkTable A-2. Network Interface Options (1 of 4)Primary Clock SourcePossible Settings: Network, Internal, PortDefault Setting: NetworkDetermines the primary source for the master clock. The source will provide all thetiming within the DSU/CSU as well as the clocks for all external interfaces.Network – Master clock source is derived from the T1 network interface.Internal – Master clock source is the DSU/CSU internal clock.Port – Master clock source is derived from the data port.NOTE: If the selected primary clock source fails, the DSU/CSU automaticallyswitches to use its internal clock.Line Framing FormatPossible Settings: ESF, D4Default Setting: ESFSpecifies the framing format to be used on the network interface.ESF – Selects the Extended Superframe format.D4 – Selects the D4 framing format.Line Coding FormatPossible Settings: B8ZS, AMIDefault Setting: B8ZSSpecifies the line coding format to be used on the network interface.B8ZS – Selects the Bipolar 8 Zero Suppression coding format.AMI – Selects the Alternate Mark Inversion coding format.
