程控数字交换机

程控数字交换机中LTSW的故障检测

The Fault Detection of LTSW in SPC Switching System

介绍H20-20程控数字交换机的以DLU与DCA的组合所实现的维护管理端口的配置。

The configuration of the port of maintenance of the SPC by composing DLU and DCA is the character of HARRIS 20-20 SPC.

该算法已经在一台国产大型程控数字交换机DS-30上实现。

Presently , the algorithm has been successfully implemented in the large-scale SPC telephone switching system DS-30 developed by China .

讲述了在程控数字交换机中，模拟用户电路板所必须具备的功能（BORSCHT），并详细论述了各个功能的设计方案，介绍了功能比较完备的用户电路板的实现方法。

In this paper we introduce the necessary functions ( BORSCHT ) of an analog subscriber line circuit PCB in programmable exchange , and describe the design of each function , finally , our ap-proach to this solution is provided .

一种新型大容量无阻塞程控数字交换机&V20-20

A New Model Digital SPC Switch of Large Capacity and Non-Blocking

程控数字交换机计费系统电路设计

Design of circuit for a program-controlled digital exchange fee-counter system

程控数字交换机电源系统的特殊性以及在安装设计中的考虑

Power Supply of Program Controlled Digital Exchanger-Specification and Installation Consideration

程控数字交换机话务统计系统的实现

Implementing a Traffic Statistical System for the SPC Digital Exchange

福州市引进程控数字交换机的技术经济评估

The Technical and Economic Evaluations of Programme Controlled Digital Exchangers Introduced in Fuzhou

程控数字交换机的信号方式与中继配合

The Signaling Method and Trunk Link Used by the Programme Controlled Digital Switches

论我国程控数字交换机的现状及其今后对策

Discussion About the Present Conditions of S.P.C Digital Exchange and the Strategy for Future

程控数字交换机在保证电力系统通信安全稳定运行方面扮演着重要的角色。

The digital exchanger plays an important role on the operational safety of the communications in electric system .

常见问题的处理和数据维护是程控数字交换机的日常维护的重要组成部分。

Dealing with common problem and data maintenance is an important part of daily maintenance of programming digital exchanger .

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 .

本文针对程控数字交换机中一类典型的空分数字交换网络，提出了一个快速、实用的故障诊断算法。

In this paper , a quick and practical fault diagnosing algorithm for the Space-Division digital switching network of SPC switching system is proposed .

本文阐述了在不同的网路环境和传输媒介时，程控数字交换机所采用的信号方式与中继配合的有关问题。

This paper presented the problems about the signaling method and trunk link used by the programme controlled digital switches in different network environment and transmission medium .

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 .

本文对介质绝缘和结式绝缘两种双极工艺进行了比较分析，讨论了用介质绝缘双极工艺来实现程控数字交换机单块用户接口集成电路高压功能的优越性。

Two bipolar technologies of dielectric insulation and junction insulation are compared and analyzed , and the advantages using dielectric insulation bipolar technology to implement high voltage function of monolithic user interface integrated circuit are discussed .

在廉价的微机上实现程控数字交换机的模拟，该模拟交换机所有硬件动作均由软件模拟完成，它能进行呼叫处理，并有各种信号音、振铃和通话等各种功能。

Now a stored program control switch is simulated on a cheap micro-computer . All hardware movements of it are realized by software simulation , and calling processing can be carried out . It has various functions such as signal tone , ringing and talking etc.

本文介绍一种以SL-1程控数字用户交换机为核心组建的中文数字计算机通信网&XJDNET。

This paper presents a Chinese displayed digital computer communication network , XJDNET , based on SL & 1 PABX .

本文研究程控数字电话交换机中用户集中器时分接线器（LTSW）的多故障检测。

In this paper , multiple fault detection of line concentrator time switch in SPC switching system is discussed .

SCX-1500千门程控数字用户交换机

SCX-1500 Thousand-Line Digital SPC PBX

本文简要介绍SCX-1500程控数字用户交换机系统结构及其软、硬件构成。

The system architecture , hardware and software constructions of SOX-1500 digital SPC PBX are briefly described in the paper .

程控数字用户交换机过压过流保护问题

Problems with Overvoltage and Overcurrent Protection for Program-Controlled Digital Users Exchanger

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 .

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 .

程控数字电话交换机诞生后，开始有了呼叫等待、呼叫转移之类新的业务功能。这些业务功能可以认为是早期的智能化业务。

After the birth of program-controlled digital telephone exchange , telephone began to have the new class of business functions , such as " call waiting " and " call transfer " . These new functions were considered to be the early intelligent business .