本文研究的即为适用于电力部门的小型数字程控交换系统。
The small digital programmable exchange system studied in this paper is suitable for electric department.
模拟用户线接口电路是数字程控交换系统的重要组成部分。
Subscriber line interface circuit is an important part of digital program-controlled switching system.
介绍一种数字程控交换实验系统的组成和原理，以及系统硬件和软件的实现。
This paper introduces the component and principle of Digital Program Control Exchange Experimental System, as well as the realization of the hardware and software.
衢州电力调度网采用哈里斯H20-20数字程控交换机作为调度交换平台。
Quzhou Electric Power Company adopts Harris H20-20 exchanger as exchange platform in its dispatching network.
结合s - 12数字程控交换机人机命令查询系统介绍信息查询系统的具体实现。
It presents the realization of information query system depending on S-12 digit program control switch command system.
以电路交换和数字程控交换技术为基础的电话网更是在整个通信网中占据着重要的地位。
The telephone network based on circuit-switching and digital program controlled exchanging technology plays an important role in the whole communicating networks.
本文提出研制新型的基于CAN总线的数字程控交换机替换原有的全电子式自动电话交换机。
This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.
本文在简要介绍某大型数字程控交换机系统的基础上叙述了其通信处理模块的研制与开发工作。
This paper describes the development and realization of CPM on the basis of introducing a large capacity digital SPC exchange system.
图1所示的存储控制模块MCB在数字程控交换机等通信设备和自动控制设备中得到大量应用。
The memory control block (MCB) shown in Fig. 1 is widely used in digital program-controlled switching systems, telecommunication equipments and other automatic control equipments.
STA5型用户板用于数字程控交换机的用户接口，也可做为各类接入网系统的远端二线模拟接口。
STA5 subscriber line is applied to subscriber line interface of programmed control digital switches, and two wire analogy remote interface of access network.
本文结合作者工作实际，讨论了华为CC 08数字程控交换机中继信令、话路数据的设置原则及技巧。
Depending on the experience of author, this paper discusses the setting principles and skills of trunk signaling and Interregnum Data and Route Data CC08 Digital SPC Exchanger used in Huawei.
为了适应网络宽带化、分组化的发展趋势，PSTN中的数字程控交换要逐步演进为包含ATM交换和IP功能的综合业务交换平台。
To adapt to the broadband and packetized network development trend, the digital SPG switching paradigm in PSTN should be gradually evolved to a combined ATM and IP service switching platform.
邮电通讯实现了交换程控化，传输数字化，并率先在全省建成了第一个电话县。
Postal and telecommunications to achieve the program-controlled exchange, digital transmission will take the lead in the province completed the first telephone counties.
本文对程控数字电话交换机所用的集成电路器件，交换机的系统结构以及性能要求的发展趋势进行了讨论。
The development trends of integrated circuits used in SPC telephone switching systems, system architecture, features and requirements of the switching systems are discussed.
数字交换网络是广泛应用于大型程控交换机的交换网络之一。
T-S-T switching network is one of the most popular network configurations used in large SPC switching systems.
在电力系统中，由于对通信的可靠性要求较高，因此程控数字交换机正在得到广泛的应用。
In electric power system, Digital Program Controlled Exchange has been used broadly because communications requests high reliability.
其中最引人注目的就是广泛采用了程控数字交换机，为全网的数字化奠定了基础。
The most attractive thing is that the Digital Program Control Switch System is widely applied, which is the foundation of the digitalization for the whole network.
通讯：光纤、数字微波、卫星、程控交换、数据与多媒体等多种通信网络覆盖全区。
Telecommunication: a number of telecommunication networks as optical fiber, digital microwave, satellite, program control switching, data and multimedia cover the whole zone.
通讯上实现了交换程控化、传输数字化。
The telecommunications are more advanced with the program-controlled exchange and digital transmission.
本文分析了程控数字用户交换机过压过流产生的主要原因，并讨论了过压过流的保护方法。
The paper analyzes the major reasons of overvoltage and overcurrent occuring to program-controlled digital users exchanger, and discusses the protection methods against overvoltage and overcurrent.
本文所讨论的设计方法已成功地应用于国产程控数字电话交换机。
The design methods given here have been successfully implemented in a Chinese-developed SPC digital telephone switching system.
随着交换机的更新换代，技术的不断提高，交换机的发展趋势为更加数字型的程控交换机。
With switches upgrading, technology is constantly increasing, the trend for more control of program - controlled switches few fonts.
随着交换机的更新换代，技术的不断提高，交换机的发展趋势为更加数字型的程控交换机。
With switches upgrading, technology is constantly increasing, the trend for more control of program - controlled switches few fonts.
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