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- optical synchronous digital network 光同步数字网络
- semi synchronous digital network 半同步数字网
- G.823 The Control of Jitter and Wangder Within Digital Networks Which are Based on the Synchronous Digital Hierarchy(SDH)[S]. 陆军;黄进.;电力通信同步网的规划与建设[J]
- synchronous digital network 同步数字网
- This Recommendation provides an information model for the Performance Monitoring of Synchronous Digital hierarchy (SDH) Network. 本建议给出了同步数字系列(SDH)网络的性能监视信息模型。
- This Recommendation addresses management aspects of the synchronous digital hierarchy (SDH), including the control and monitoring functions relevant to SDH network elements (NE). 本建议论述同步数字系列(SDH)管理方面的情况，包括与SDH网络元(NE)相关的控制和检测功能。
- CCIS occurs over a separate packet switched digital network. 独立的分组交换数字网络中使用CCIS。
- Now we are planning to buy some asynchronous Transfer Mode ( aTM ) and Synchronous Digital Hierarhy (SDH) network equipment from abroad so as to speed up the development of telecommunications of our city. 我们打算进口aTM和SDH网络设备，以加速我市的通信发展。
- SDH (Synchronous Digital Hierarchy) network is composed of terminal MUX, divarication MUX, REG and SDXC units etc, and they are used in transmission, multiplexing, divarication and cross-connecting of synchro information. 同步数字体系(SDH)网络由终端复用器、分插复用器、再生中继器和同步数字交叉连接设备网络单元组成,进行同步信息传输、复用、分插和交叉连接。
- So B-ISDN (Broad Integrated Service Digital Network) comes into being. 于是产生了B-ISDN (宽带综合业务数字网)技术。
- Synchronous Digital Hierarchy (SDH) has become the primary transmission protocol for most PSTN networks. 同步数字层次结构(SDH)已成为大多数PSTN网络的主要传输协议。
- synchronized digital network 同步数字网
- This Recommendation provides an information model for the Payload Configuration Management of Synchronous Digital Hierarchy (SDH) Networks. 本建议给出了同步数字系列(SDH)网络的净负荷配置管理的信息模型。
- Digital networks are considerably less subjected to noise than analog networks. 数字网络不象模拟网络那样易受噪音干扰。
- The asynchronous transfer mode (ATM) is the transfer mode recommended for the broad integrated service digital network (B-ISDN) by ITU-T. 异步传输模式ATM是国际电信联盟建议用于宽带综合业务数字网(B-ISDN)的传输模式。
- ATM is one of the key techniques for implementing Broadband Integrated Services Digital Network(B-ISDN). ATM是实现宽带综合业务数字网（B－ISDN）的关键技术之一。
- According to the trend of digital network,the "U" interface technology of ISDN and ADPCM technology is adopted. 配合数字化网络趋势 ,该系统采用了 ISDN的“U”接口传输技术和 ADPCM编译码技术。
- SDN Synchronous Digital Transmission Network 同步数字传输网络
- Which encapsulation methods are most commonly used with dialup integrated services Digital Network (ISDN)? 在一线通中一般使用哪两种数据封装方式?
- Digital network environment makes fair use of libraries confronting with difficulty. 摘要数字网络环境使图书馆合理使用面临困境。
