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多项选择题
A、SyncE with SSM;
B、IEEE 1588 V2;
C、2Mbps/2MHz BITS;
D、1 pps/TOD输入/输出。
多项选择题
A、Continuity and Connectivity Check (CC);
B、LB(Loopback);
C、LM(Frame Loss Measurement);
D、DM(Packet Delay and Packet Delay Variation Measurements (DM)