System Synchronization Commands

config
    - system 
        - sync-if-timing
            - abort
            - begin
            - bits
                - input
                    - [no] shutdown
                - interface-type {ds1 [{esf | sf}] | e1 [{pcm30crc | pcm31crc}] | 2048khz-G703}
                - no interface-type
                - output
                    - line-length {110 | 220 | 330 | 440 | 550 | 660}
                    - [no] shutdown
                    - source {line-ref | internal-clock}
                - ql-override {prs | stu | st2 | tnc | st3e | st3 | smc | prc | ssu-a| ssu-b | sec | eec1 | eec2}
                - no ql-override
                - ssm-bit sa-bit
            - commit
            - external
                - input-interface
                    - impedance {high-impedance | 50-Ohm | 75-Ohm}
                    - [no] shutdown
                    - type {2048khz-G703 | 5mhz | 10mhz}
                    - no type
                - output-interface
                    - type {2048khz-G703 | 5mhz | 10mhz}
                    - no type
                - ql-override {prs | stu | st2 | tnc | st3e | st3 | smc | prc | ssu-a | ssu-b | sec | eec1 | eec2}
                - no ql-override
            - [no] ql-selection
            - ref-order first second [third]
            - no ref-order
            - ref1
                - ql-override {prs | stu | st2 | tnc | st3e | st3 | smc | prc | ssu-a | ssu-b | sec | eec1 | eec2}
                - no ql-override
                - [no] shutdown
                - source-port port-id [adaptive]
                - no source-port
                - source-ptp-clock clock-id
                - no source-ptp-clock
            - ref2
                - ql-override {prs | stu | st2 | tnc | st3e | st3 | smc | prc | ssu-a | ssu-b | sec | eec1 | eec2}
                - no ql-override
                - [no] shutdown
                - source-port port-id [adaptive]
                - no source-port
                - source-ptp-clock clock-id
                - no source-ptp-clock
            - [no] revert