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Hierarchy Level

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced in Junos OS Release 12.2 for the ACX Series Universal Metro Routers.


Set the byte encoding on a DS0 or T1 interface to use 7 bits per byte or 8 bits per byte.


When configuring T1 interfaces on the 10-port Channelized E1/T1 IQE PIC, the byte-encoding statement must be included at the [edit interfaces t1-fpc/pic/port] hierarchy level.


The default byte encoding is 8 bits per byte (nx64).


nx56—Use 7 bits per byte.

nx64—Use 8 bits per byte.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Related Documentation