Control, Transmission, and Synchronization Interfaces
5-20 Issue 8.0 July 2002
â– OC-48 point-to-point applications with asynchronous (DS3) low speed
interfaces
— Free running/free running configuration
— Free running/through timed configuration
— Phase locked/phase locked configuration
â– Bidirectional ring applications with asynchronous (DS3) and synchronous
(EC-1, OC-3 and/or OC-12) low speed interfaces
— Ring applications not used to distribute timing to BITS clocks
— Ring applications used to distribute timing to BITS clocks.
— Free running/free running configuration
— Free running/through timed configuration
— Phase locked/phase locked configuration