Use the idle-character command to set the bit pattern used to indicate an idle line. Use the no form of this command to restore the default value. For E1 and USP interfaces, the default value is flags. For T1 interfaces, the default value is marks.
Syntax
idle-character {flags|marks}
no idle-character
Parameters
Parameter
Description
Possible Values
Default Value
flags
Keyword specifying that flags are transmitted to indicate an idle line
marks
Keyword specifying that marks are transmitted to indicate an idle line