Chinese | English |
光同步数字网络 | optical synchronous digital network |
同步数字网 | synchronous digital network |
数字交换网络帧和复帧同步信号插人功能 | GAZPACHO (Generation of frame code, Alignment of frames, Zero string suppression, Polar conversion, Alarm processing, Clock recovery, Hunt during reframe, Office signaling 帧码发生,帧定位,连零抑制,码型变告警处理,时钟提取恢复,帧同步,局信令) |