CATV光接收機有線電視光接收 光接收機二輸出/三輸出光接收機使用說明書 一、功能、用途及特點NBOOR型光接收機用于5~862MHz雙向有線電視系統的光接點,將光信號轉換為RF信號并放大分配。滿足雙向多功能(圖像、聲音、數據等)傳輸的需要。機內組件模塊化設計,可根據客戶要求靈活配置。1000MHz平臺設計,方便升級。**鑄鋁外殼,**、散熱性能良好。**光電模塊+2×進口GaAs功率倍增RF放大模塊,4口輸出;反向推挽模塊。為方便調試,光接收機自帶高精度(<0.5dBm)輸入光功率指示。220V市電或60V電纜饋電。60V型每端可通過電流10A,并有過流指示燈。170~280或33~65V防雷型高**開關電源(MTBF>200,000h)。所有輸入、輸出口和電源端均自帶10KA避雷器,適用多雷地區。所有功能組件均為插拔式。正向 :可調衰減、均衡、輸出選擇;反向:可調衰減、均衡、反向光發;雙向濾波器插件。正、反向輸出-30dB監測口。兩用衰減插口也可插2*3.2mm固定衰減插片。外置電源指示LED使得系統維護較為簡便。二、 光接收機的技術參數: 項目 單位 技術指標 NBOOR-/750 NBOOR-B/862 工作頻帶 MHz 47~750 47~862 輸入光波長 nm 1290~1600 輸入光功率 dBm -4~+2 光反射損耗 dB 45 光功率指示 dBm -9~+2 光接頭 FC/APC 輸出電平 dBμV ≥108(輸入光功率為-2dBm,二分支輸出) 供電電壓 (50Hz) V 標志位為“K”:AC38~65V 標志位為“F”:AC220V C/N dB ≥53(輸入光功率為-2dBm) CTB dB 75 CSO dB 68 功耗 W 25 質量 Kg 3 Optical Receiver Three Output NBOOR- AOptical Receiver (Three Output) NBOOR SummarizeOptical receiverNBOOR750 NBOOR862 Series (three output) is applicable to 5~750MHz, 5~862MHz bi-directional CATV distribution systems. Meet two-way multi-purpose (video, voice, data, etc.) transmission needs. Modular components be design, can be neatly configured according to customers requirements. BriefExcellent aluminous alloy shell, good waterproofing and heat release performance.Chinese Optical receiver module and Philips powerdoubler post module, three–way output.60V ,110V, 220V powersupply.For 60V, passing current 10A/port,and has power show.Lightningproofdesign, applicable to thunderbolt areas.Switching Power Supply(MTBF>200,000h).All functional components arepinboard. Forward : adjustable or fixed attenuator, adjustable equalizer(anterior), fixed equalizer (mid), the branch / distribution export options. Return : adjustable or fixed attenuator, adjustable equalizer, bi-directional filter, return optical lasing.Import,exporthas -20dB test port。The exposed power light makes maintenance extremely simple (patentForward ParameterItemUnitParameterNBOOR750OR862Frequency ResponseMHz47~86047~1000Optical Wavelengthnm1290~1600Input Optical PowerdBm-9~+2Optical Input Return LossesdB45Indication Of Input Optical PowerdBm-9~+2Optical Joint FC/APCFlatnessdB±0.75Output VoltagedBμV≥100(Input Optical Power:-2dBm)Output Return LossesdB1614C/NdB≥53(Input Optical Power:-2dBm)CTBdB75CSOdB68Singal-AC RatiodB66Avoid Thunderbolt CapacitykV5(10/700μS)Power Supply(50Hz)ACV220(130~280)110(80~140)60(25~65)Passing CurrentA10Input PowerW25MassKg3.5Sizemm275×200×110Note:theforward and return frequency can be changed according to customer.Return Amplifier ParameterItemUnitParameterFrequency ResponseMHz5~120Power GaindB22Attenuation Adjustable RangdB0~18FlatnessdB±0.5Input/Output Return LossesdB16Reference Output LeveldBμV95CTBdB88CSOdB82 Return Optical lasing ParameterItemUnitParameterFrequency ResponseMHz5~120Optical Wavelengthnm1310±20Input Return LossesdB≥16ReferenceInputput LeveldBμV85~95Output Optical PowermW≥1Optical Joint FC/APC 功耗 : 20(W) ; 輸出反射損耗 : 16(dB) ; 射頻輸出阻抗 : 75(Ω) ; 光連接器類型 : FC/APC ; 輸入光功率 : -2(dBm) ; 波長 : 1310/1550(nm) ; 接收機輸出電平 : 104(dBmV) ; 型號 : OR-862 ; ** : NBO ;