The alarm management of electric power SDH transmission network requires alarm information distribution system with high reliability and stronger real-time.
电力SDH传输网告警管理需要可靠性较高和实时性较强的告警信息发布系统。
SDH transmission network is a complicated network system, the attendant should accumulate experience and steadily improve fault treatment ability for keeping the network to running normally.
SDH传输网络是一个复杂的网络系统，维护人员必须在实践中不断积累经验，提高网络故障的处理能力。
This paper discusses the principles and steps of planning an SDH transmission network in consideration of the characteristics of SDH and present situations of transmission networks in Chi - na.
本文结合SDH特点和中国传输网现状，探讨了SDH传输网规划组网的原则和步骤。
The paper studies an architecture of the databases used in the SDH network management sys-tem (SNMS) which is responsible for managing SDH transmission network composed of multi-vendor equipments.
对由多厂商设备组成的SDH传输网网络管理系统(SNMS)使用的数据库结构进行研究。
SDH is made from SDH network unit. Its basement of transmission technology is frame structure whose net functions include normal management, trouble management and property management and so on.
SDH由SDH网络单元组成，其传输技术基础是帧结构，其网络功能包括一般性管理、故障管理、性能管理、配置管理、安全管理。
Associated with the expansion of network, the optimization scheme of transmission net - work is proposed to solve the dispatching of service across the different SDH ring.
介绍了城域传输网络的现状，并对sdh环叠加和环相套的扩容方案存在的问题进行了讨论。
SDH is a kind of comprehensive information network Technique which managed by uniform TMN together with multiplex, line transmission and cross collection.
SDH是一种将复接、线路传输及交叉连接功能结合在一起并由统一网管系统进行管理操作的综合信息网络技术。
To build nationwide synchronized time net using SDH network, we must study the time delay in SDH network transmission path.
利用SDH网络组建全国的时间同步网，需要研究sDH网络传递路径的时延和时延误差。
The design results of this paper is in order to lay the foundation for forming the transmission network of SDH (STM-N).
本文的设计成果为进一步形成SDH (STM - N)的传输网络奠定了基础。
The access network and inter-exchange transport of the PSTN use synchronous optical transmission (SONET and SDH) technology, although some parts still use the older PDH technology.
PSTN中的接入网和内部交换台传送器采用的是同步光纤传输(SONET和SDH)技术，但也有某些地区仍采用过去的PD H技术。
Packet transport network (PTN) is a convergence network of SDH and IP. Under the background of full services operation, this technology represents the development trend of transmission network.
分组传送网是网络融合的产物，在电信行业全业务运营背景下，这一技术代表了传送承栽网络的IP化发展趋势。
This paper introduces superiority of ATM and SDH wideband transmission system. It discusses advantage of ATM and SDH, and ATM /SDH wideband information network.
论述ATM技术在SDH上实现宽带传输，讨论了ATM技术和SDH技术的优点，以及ATM／SDH技术建立宽带信息网的方案及其优势。
This paper introduces superiority of ATM and SDH wideband transmission system. It discusses advantage of ATM and SDH, and ATM /SDH wideband information network.
论述ATM技术在SDH上实现宽带传输，讨论了ATM技术和SDH技术的优点，以及ATM／SDH技术建立宽带信息网的方案及其优势。
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