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- Through a representative instance the paper focused on the use of Q.SIG signaling by debugging the SPC exchanger of East China Grid Company. SIG信令应用方面的典型事例分析,指出发码终止字符对系统互联产生的作用和危害,不同类型的交换机其逐位发码和全发码的方式存在着差别。
- The V5.2 interface system of a large SPC exchange is introduced in this paper. 本文介绍了某大型程控交换机的V5.;2接口系统。
- SPC exchanges have accounted for 99.8% of the country central office telephone exchanges and 99.6% of long distance transmission has been digitized. 全国局用交换机程控化比重达到99.;8%25，长途传输数字化比重达到99
- Applications: This type is used as automatic recovery over-current protection components in SPC exchanges. 用途：用于程控交换机及电子线路中作自动恢复过流保护元件。
- Firstly,this paper discusses the design and implementation of DSP circuit board on HAX-SP3 ATM broadband SPC exchange. 本文首先讨论了HAX-SP3 ATM宽带交换机中DSP板的设计与实现。
- HAX SP3 SPC exchange is a new-generation ATM exchange that is being researched and developed by CST (China South Telecommunication Ltd.Corporation). HAX SP3数字程控交换机是南方通信（惠州）实业有限公司研制开发的一台以ATM（Asynchronous Transfer Model）技术为核心的新型交换机。
- This article mainly addresses the maintenance period of clock frequency of SPC exchanges in China's telecommunication network. 本文主要讨论我国电信网中程控交换局时钟频率维护周期的确定问题。
- The common faults of S1240(ELC type)SPC exchange are in user mod ul e, relay module and metering module in daily maintenance work. 在对S1240(ELC型)程控交换机进行日常维护时,常见故障有用户模块、中继模块和计费模块的故障。
- At the same time,4.5 million PC sets,35 million lines of SPC exchanges,30 million color TV sets,13 million mobile handsets and 2.1 billion integrated circuits will be added. 同时，生产微机450万台，程控交换机3500万线，彩电3000万台，移动电话手机1300万部，集成电路21亿只。
- Based on the analysis of actual situation,the paper also explains some new functions and services of SPC exchange,describes the software configuration and points for attention. 文章介绍了程控交换机话务员插入功能的原理和过程,利用信令分析软件,对具体呼叫过程进行分析。
- Analysis and Treatment of the Common Faults of SPC Exchanger 程控交换机常见故障的分析与处理
- This paper introduces the basic principles of tone distribution and lode distribution networks in S1240 SPC exchanges, makes analyses and comparisons for the application ofrecorded announcement in tone distribution, and gives a examples to explain why. 作者对51240数字程控交换机中音信号分配原理和分配网络作了阐述，然后对音信号中录音通知音的应用进行了分析、较，最后举了设置一个音乐台的实例说明。
- The proliferation of SPC exchanges in telecommunication operator(telco) networks forced the centralization of supplementary services in special network nodes in order to facilitate the update and introduction of such these services. 无线电通讯操作网络中存储控制程序交互系统的增多，促进了各独立网点的附加服务的集中化，以便于这些服务的更新和介绍。
- With the real examples, this paper gives the concept of modularization in SPC exchange software design, as the top-down step-wise refinement disign and dataflow-oriented design method. 本文结合实例,阐述电话交换系统中自顶向下、逐步求精及面向数据流的软件设计方法,同时探讨了交换软件模块的独立性问题。
- Fault analyzing and treating of SPC exchange 程控交换机的故障分析与处理
- Analysis on attendant intrusion of SPC exchange 程控交换机话务员插入功能的分析
- ISDN Expansion On Import SPC Exchange 引进程控交换机的ISDN功能扩展
- He shows me how to exchang the fuse. 他做给我看怎样换保险丝。
- A heat exchanger, in a narrow sense, is a vessel. 从狭义来说，换热器是一种容器。
- Wuxi Guanyun Heat Exchanger Co., Ltd. 无锡市冠云换热器有限公司。
