A. 9×270 B. 9×270×N C. 9×261 D. 9×261×4
A. 2.048 Mb/s;HDB3 B. 8.488 Mb/s;HDB3 C. 2.048 Mb/s;CMI D. 8.448 Mb/s;CMI
A.9953.208Mb/s B.2488.320Mb/s C.622.080Mb/s D.155.520Mb/s