Configuring E3 Data Inversion
By default, data inversion is disabled. To enable data inversion at the HDLC level, include the invert-data statement at the [edit interfaces interface-name e3-options] hierarchy level:
When you enable data inversion, unused data bits in the data stream are transmitted inverted; that is, zeroes are transmitted as ones and ones as zeroes. Enable inversion to be compatible with another vendor’s E3 interface.