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- C &C 08 Digital SPC Exchange C &C08數字程式控制交換機
- Multimedia Communications in Digital SPC Exchanges and Private Networks 數字程式控制交換機與專網中的多媒體通信
- This algorithm has been used in the dynamic test system of HJD-28 digital SPC. 採用本文介紹的測試演算法設計的測試診斷程序已實際用於 HJD-28用戶程式控制交換機的動態測試系統中.
- The V5.2 interface system of a large SPC exchange is introduced in this paper. 本文介紹了某大型程式控制交換機的V5.;2介面系統。
- Firstly,this paper discusses the design and implementation of DSP circuit board on HAX-SP3 ATM broadband SPC exchange. 本文首先討論了HAX-SP3 ATM寬頻交換機中DSP板的設計與實現。
- 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數字程式控制交換機是南方通信(惠州)實業有限公司研製開發的一台以ATM(Asynchronous Transfer Model)技術為核心的新型交換機。
- The common faults of S1240(ELC type)SPC exchange are in user mod ul e, relay module and metering module in daily maintenance work. 在對S1240(ELC型)程式控制交換機進行日常維護時,常見故障有用戶模塊、中繼模塊和計費模塊的故障。
- 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. 文章介紹了程式控制交換機話務員插入功能的原理和過程,利用信令分析軟體,對具體呼叫過程進行分析。
- Graph models for T arid S switches and methods for analysing T switches in digital switching networks are presented in the paper. They provide a. theoretical basis for fault diagnosis of speech path subsystems in digital SPC switching systems. 本文提出數字交換網路中T及S接線器的圖模型及T接線器的分析方法,它為數字程式控制交換機話路系統的故障診斷提供了理論基礎。
- 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. 本文結合實例,闡述電話交換系統中自頂向下、逐步求精及面向數據流的軟體設計方法,同時探討了交換軟體模塊的獨立性問題。
- SPC exchanges have accounted for 99.8% of the country central office telephone exchanges and 99.6% of long distance transmission has been digitized. 全國局用交換機程式控制化比重達到99.;8%25,長途傳輸數字化比重達到99
- SCX-1500 Thousand-Line Digital SPC PBX SCX-1500千門程式控制數字用戶交換機
- digital spc telephone switching system 數字程式控制電話交換系統
- Applications: This type is used as automatic recovery over-current protection components in SPC exchanges. 用途:用於程式控制交換機及電子線路中作自動恢復過流保護元件。
- 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信令應用方面的典型事例分析,指出發碼終止字元對系統互聯產生的作用和危害,不同類型的交換機其逐位發碼和全發碼的方式存在著差別。
- This article mainly addresses the maintenance period of clock frequency of SPC exchanges in China's telecommunication network. 本文主要討論我國電信網中程式控制交換局時鐘頻率維護周期的確定問題。
- 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. 同時,生產微機450萬台,程式控制交換機3500萬線,彩電3000萬台,行動電話手機1300萬部,集成電路21億隻。
- Fault analyzing and treating of SPC exchange 程式控制交換機的故障分析與處理
- Analysis on attendant intrusion of SPC exchange 程式控制交換機話務員插入功能的分析
- ISDN Expansion On Import SPC Exchange 引進程式控制交換機的ISDN功能擴展