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          網絡傳輸建設

          HFC

          依托強大的產品開發能力和近20年的行業經驗,公司具有完整而豐富的產品線,全線產品在全國大、中型有線網絡中廣泛應用,形成了獨具特色、國內一流、完全能滿足客戶需求的系列產品方案。HFC系列產品遠銷韓國、保加利亞、美國、英國、澳大利亞、阿根廷、印尼、印度、俄羅斯等多個國家。同時我們接受滿足客戶特殊需求的產品定制服務。

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          HFC

                 依托強大的產品開發能力和近20年的行業經驗,公司具有完整而豐富的產品線,全線產品在全國大、中型有線網絡中廣泛應用,形成了獨具特色、國內一流、完全能滿足客戶需求的系列產品方案。HFC系列產品遠銷韓國、保加利亞、美國、英國、澳大利亞、阿根廷、印尼、印度、俄羅斯等多個國家。同時我們接受滿足客戶特殊需求的產品定制服務。主要產品方案如下:

          RF PON(RFoG,國家專利)—HFC雙向網絡改造解決方案

               遵循TDMA技術,回傳采用突發技術,極大改善回傳匯聚噪聲,有效提高上行帶寬;

               光節點上行采用PON結構,大大減少前端回傳接收設備及干線光纖數量,降低網絡建設成本,同時能平滑過渡到BPON、EPON、GPON、DPON;

          ●     可充分利用網絡中現有光節點,只需更換帶有RFoG功能回傳光發送組件即可平滑升級;

               全透明傳輸,平滑過渡到FTTH,與現有DOCSIS/HFC完全兼容。

          DNIS(國家專利)—動態噪聲隔離技術

          ●     利用CMTS的時分復用原理,以“突發”的工作模式與CM回傳信號同步地“開啟”或“關斷”回傳射頻鏈路,從本質上改善了HFC雙向網絡的匯聚噪聲特性;

               在設備或網絡的適當位置加入DNIS部件,無需更換原有設備,平滑升級,有效地解決回傳匯聚噪聲。

          全業務光通信平臺

                 可靠性高、密度高、智能化、應用模塊完備、美觀、噪聲小、全中文菜單是本公司光通信平臺的特點。可安裝正向光發、正向光接收(單路接收或兩路獨立接收互為備份)、回傳光發、回傳接收(2~4路,光AGC 功能、選配DNIS功能)、前置放大、射頻切換、光切換開關和1550nm EDFA 模塊、1550直調光發等應用模塊,具有1550nm傳輸、1310nm傳輸融合的寬帶光傳輸平臺。

          ●     高密度:4U高度,16個通用模塊插槽;

          ●     雙電源熱備份(不占用插槽位置);

          ●     低功耗設計;

               可在線拆卸風扇;

               模塊F頭背板轉接,更高的可靠性;

               支持中文菜單顯示,界面更友好。

          FTTB/FTTH接入方案

          ●     超低功率光接收機:

                 適用于FTTB/FTTH網絡,工作帶寬范圍可達1000MHz,支持0~-10dBm的寬光AGC范圍,具有優異的性能指標,-18dBm接收時MER優于35dB;


          ●     智能型光接收機:

                 針對光纖下移后,光節點增加而設計的智能型光接收機,接收機面板數碼顯示輸入光功率、輸出電平,均衡、衰減面板上直接按鍵調整,方便網絡調試,同時可選配網管應答器,遠程對工作參數進行調整,降低網絡維護調試量。


          1550nm產品解決方案

                 1550 EDFA:公司具有全系列,自主知識產權EDFA產品,是國內極少數自主設計、生產EDFA產品的廠商之一,完全符合國標網管的EDFA。產品性能優異、功能完備,如超遠距離傳輸EDFA、超低功率接收特種EDFA、帶本地信號插入EDFA等。同時為滿足客戶分前端和虛擬分前端建設需要,國內獨家開發了適用于光通信平臺的模塊化EDFA和寬帶光網絡綜合平臺(野外虛擬分前端)模塊化EDFA。

                 1550直調制光發射機:集WDM功能為一體,具有自動識別主信號光功率從而調整插播光功率配比的功能。支持本地手動或遠程調節光功率配比功能。


          關鍵技術

                 作為技術領先型企業,公司在全套整體解決方案中融合了許多國內外相關關鍵技術,如RFoG技術、DNIS動態噪聲隔離技術、EOC雙層隔離技術、寬范圍光AGC技術、均衡器替代技術、均衡電調技術、有源高隔離技術、Overlay自動調節技術、低功耗綠色節能技術、防浪涌6KV泄峰保護專有技術等。

               寬范圍光AGC技術能實現光接收功率在+2~-8dBm(或0~-10dBm)范圍變化時,輸出電平保持恒定;低光功率接收,能減少前端光傳輸設備投入,降低網絡造價;寬范圍光接收和輸出電平的穩定,方便網絡設計、調試、和維護;

          ●     均衡器替代技術是為降低網絡公司插片品種過多,使用混亂而設計,即用通用衰減器來替代均衡器,方便調試和維護,提高產品一致性;

          ●     均衡電調支持遠程調節功能,有效提高網絡調試和維護效率;

               有源高隔離技術是為VOD業務打造更好的網絡支撐平臺,有效提升系統網絡指標;

               Overlay自動調節技術專為1550打造更好的光插播平臺,系統網絡可靠性,穩定性高;

          ●     低功耗綠色節能技術(國家專利)是隨著網絡發展,各有源設備數量增加,從而帶來耗電量的增加,給各網絡公司帶來了不小的負擔;隨著全球低碳的熱潮,路通公司針對原有產品進行了全新低功耗設計,大大降低了有源設備整體的功耗,提高了產品可靠性和壽命,降低了網絡總體架構成本;

               防浪涌6KV泄峰保護專有技術是專門為防雷擊浪涌而設計,結合了國內外先進技術而形成的專有技術。
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