数字交换机

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 .

DSP在数字交换机中的应用

Application of DSP to Digital Switcher

本文介绍在设计HJD-500/1000型数字交换机软件系统时在单板机环境下使用C语言的实现技术。

We 'll introduce the technology of designing the software system of the HJD-500 / 1000 digital exchange using programming language C on TP-86D single-board computer .

在电话局一端，ISDN线连到数字交换机。

At the telephone company end , ISDN lines connect to a digital switch .

Drawbridge能够坐在这种数字交换机的旁边，观察到这些需求。

Drawbridge is able to sit on the sidelines of this digital exchange and observe these requests .

程控数字交换机中LTSW的故障检测

The Fault Detection of LTSW in SPC Switching System

基于广义随机Petri网（GSPN），对数字交换机面临过载时的一种阻塞呼叫控制机理进行了描述与分析，建立了其广义随机Petri网模型。

Based on Generalized Stochastic Petri Net ( GSPN ), a blocking call control scheme , when digital exchanges facing overload , is described and analyzed . The GPSN model of the exchanges is built .

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 .

V5标准接口的引入使得接入网与本地数字交换机直接采用数字相连，使数字通道靠近或直接连接到用户，实现了接入网的数字化。

The introduction of the V5 standard interface in exchange realizes the digital link between the local exchange and access network , makes the digital channel connect with the subscribers directly or more closely , and finally achieves the digital access network .

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

目前正在安装数字交换机以使前述两种调制方法得以实现。

Digital switches are now being implemented to accommodate these modulation types .

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

先进实用的数字交换机&JSN－1

JSN-1 : An Advanced and Practical Digital Switching System

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

指连接到数字交换机的主线百分比。

Refers to the per cent of main lines connected to digital exchanges .

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

数字交换机话务处理能力的分析

Analysis of traffic-handling capacity of digital switching systems

GB/T13158-1991数字交换机的时钟和同步设备进入数字网的兼容性测试方法

Compatibility test procedures of clock and synchronization equipment of digital switch introduced into digital network

最终阐明了数字交换机呼叫处理能力、话务负荷容量以及系统用户终端纳入量之间的数学关系。

At last , mathematic relations among CHC , TC and the capacity of subscriber terminals are ex-pounded .

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 .

属于同一个人的各种设备通常会经由数字交换机或市场发出类似的广告需求。

Devices that all belong to the same person normally send off similar ad requests or requests made through the device by way of a digital exchange or marketplace .