Statement introduced before Junos OS Release 7.4.
For X.21 interfaces only, configure the from-DCE signal indication.
ignore—The from-DCE signal is ignored.
normal—Normal indication signal handling as defined by ITU-T Recommendation X.21.
require—The from-DCE signal must be asserted.
Default: normal
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.