---

我国采用以下哪种映射复用路径将2048Kbps信号复用成SDH信号？（）
A:2Mbps→C12→VC12→TU12→TUG2→VC3→AU3→AUG→STM-N
B:2Mbps→C12→VC12→TU12→TUG2→TUG3→AU3→AUG→STM-N
C:2Mbps→C12→VC12→TU12→TUG2→TUG3→VC4→STM-N
D:2Mbps→C12→VC12→TU12→TUG2→TUG3→VC4→AU4→AUG→STM-N
E:2Mbps→C11→VC11→TU11→TUG2→TUG3→VC4→AU4→AUG→STM-N

---

出自：客户支撑维护人员

显示答案