Synchronizing router chassis with an Enhanced MX SCB to an external BITS timing source

This feature uses the Building Integrated Timing Supply (BITS) external clock interface (ECI) on the Enhanced MX SCB. The BITS ECI can also be configured to display the selected chassis clock source (SETS) or a recovered line clock source (Synchronous Ethernet or Precision Time Protocol). You can configure the BITS ECI by using the synchronization statement at the [edit chassis] hierarchy level. You can view the BITS ECI information with the show chassis synchronization extensive command.