b）專網(wǎng)接入計劃
       服務(wù)器選用本地移動通訊公司供給的DDN專線, 請求裝備固定IP地址，與GPRS網(wǎng)絡(luò)相連。因為DDN專線可供給較高的帶寬，當(dāng)現(xiàn)場PLC數(shù)量添加，基地不必擴容即可滿意需要，可完結(jié)大容量體系運用。
      監(jiān)控基地RADIUS服務(wù)器承遭到GPRS網(wǎng)絡(luò)傳來的數(shù)據(jù)后領(lǐng)先行AAA認(rèn)證，后傳送到監(jiān)控基地計算機主機，經(jīng)過體系軟件對數(shù)據(jù)進行復(fù)原顯現(xiàn)，并進行數(shù)據(jù)處理，這么進一步增強了體系數(shù)據(jù)通訊安全功用。


3、GPRS/GSM移動數(shù)據(jù)傳輸網(wǎng)絡(luò)：

      PLC搜集的數(shù)據(jù)經(jīng)GPRS/GSM網(wǎng)絡(luò)空中接口功用模塊一起對數(shù)據(jù)進行解碼處理，轉(zhuǎn)換成在公網(wǎng)數(shù)據(jù)傳送的格局，經(jīng)過中國移動的GPRS無線數(shù)據(jù)網(wǎng)絡(luò)進行傳輸，終究傳送到監(jiān)控基地IP地址。

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