臺灣博碩士論文加值系統

傳統交換機之維運，均採現場操作方法，耗費時間、人力和物力。由於電腦網路之發達，使得資料與訊息的傳遞無距離可言。本研究提出一個對現階段數位交換機維運採遠端控制之有利方式，對未來語音、資訊交換網路之整合維運體系建立一雛形。利用無遠弗屆之電腦網路組織，架上Telnet之Client/Server架構，將分散各地之數位交換機系統，給予維運組織整合，精簡維護人力，變成集中維運體系。除更新數位電話交換機維運架構外，更有利未來電話網路IP化之交換機整合維運架構，解決了未來低成本、高維運專業、高組織彈性化之維運體系需求。

Traditional maintenance of digital switching systems requires on-site works. It is time-consuming and needs lots of labors. The development of computer networks produces no gap for information exchange. This thesis proposes a new method for centralized maintenance of digital switching systems using existing network structure of Chunghwa Telecom (CHT). By building the Telnet Function under TCP/IP of CHT Intranet, client can access the local server whenever a terminal is available. Thus, maintenance can be performed remotely. Besides the maintenance of digital switching system, voice, data exchange and power control can also be integrated into the system. The simulation results will demonstrate that the method proposed in this thesis will offer low-cost and efficient operations.

封面內頁
簽名頁
授權書 …………………………………………………………… iii
中文摘要 ………………………………………………………… iv
ABSTRACT ………………………………………………………… v
誌謝 ……………………………………………………………… vi
目錄 ……………………………………………………………… vii
圖目錄 …………………………………………………………… ix
表目錄
第一章緒論 ……………………………………………………… 1
1.1 研究動機……………………………………………… 1
1.2 研究背景 …………………………………………… 4
1.3 論文架構 …………………………………………… 5
第二章交換機集中維運與相關設備 ………………………… 7
2.1 S12 交換系統 ……………………………………… 7
2.1.1 S12系統簡介 ……………………………… 7
2.1.2 S12軟體架構 ……………………………… 11
2.2 NO.5 ESS 交換系統 ………………………………… 17
2.2.1 5 ESS系統簡介 …………………………… 18
2.2.2 5 ESS 軟體結構 …………………………… 19
2.3 傳統集中監控警報傳送設備 ……………………… 24
2.3.1 警報傳送設備概說 ………………………… 24
2.3.2 警報傳送設備系統方塊圖 ………………… 24
第三章TCP/IP網路協定與維運上之應用設備 ………………… 27
3.1 通訊協定模組架構 ………………………………… 27
3.2 實體層–與本研究相關性 ………………………… 28
3.3 網路層協定–與本研究之IP規劃 ………………… 29
3.4 傳輸層協定–TCP …………………………………… 38
3.5 應用層 – Telnet Client / Server …………… 41
3.6 本研究之網路平台--企業網路 (Intranet) ……… 43
3.6.1 CHTnet 網路結構 ………………………… 43
3.6.2 本研究之網路平台架構 …………………… 44
第四章實作與現場驗證 ………………………………………… 46
4.1 系統規劃設計 ……………………………………… 46
4.2 單點連線測試 ……………………………………… 51
4.3 Intranet 連線測試 ………………………………… 54
4.4 全線 ON LINE 運轉 ………………………………… 59
4.5 網路穩定度觀測 …………………………………… 64
第五章結論與未來研究方向 ………………………………… 67
5.1 結論 ……………………………………………………67
5.2 未來研究方向 …………………………………………67
參考文獻 ………………………………………………………… 69

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