- indication-polarity (negative | positive);
- [edit interfaces interface-name serial-options]
Statement introduced before JUNOS Release 7.4.
For X.21 interfaces only, configure the indication signal polarity.
positive—Positive signal polarity.
negative—Negative signal polarity.
See Configuring Serial Signal Polarities.
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.