The system may be widely used in time synchronization in SynchronousDigitalHierarchy (SDH) communication network and exchange and other timing application cases.
该系统可应用于SDH通信网时间同步、交换机时间同步等高精度定时领域。
2
Generic framing procedure(GFP) is a new brand of data-packet transmitting protocol on synchronousdigitalhierarchy(SDH), as well as on optical transport network(OTN).