说明：  完成从SDH　telecom bus的38Mhz*4系统时钟和复帧提取出SDH的telecom bus的C1j1,spe,au指针　，H4位置等SDH帧结构
(SDH telecom bus from 38Mhz* 4 the system clock and rehabilitation SDH frame to extract the telecom bus of C1j1, spe, au pointer, H4 location SDH frame structure)