光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)

1、光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì)光纖系統(tǒng)結(jié)構(gòu)與設(shè)計(jì) （進(jìn)階）（進(jìn)階）（進(jìn)階）Fiber Options, Inc.Fiber Options, Inc.Fiber Options, Inc. 冠鋒科技冠鋒科技冠鋒科技目標(biāo)：電輸出 = 電輸入Electrical to LightLight to ElectricalInputOutputTXdB 損耗損耗終端連接終端連接 允許允許 1.0 (2)電纜電纜多模多模 850 3.5/km 1300 1.0/km單模單模 1300 .5/km 1550 .3/km接合接合溶化接合溶化接合 0.

2、1機(jī)械接合機(jī)械接合 0.2PATCH PANELS每對(duì)每對(duì) 1.0RX安全裕量安全裕量允許允許 3.0Core62.55 mm125 mmCladCore8 mm125 m mClad85 mm多模單模人的頭發(fā)00.511.522.533.585013001550MMSM-19.0 dB光量計(jì)光源啟動(dòng)光纜連接 850 1300受測(cè)試光纖目標(biāo)：輸出電平輸入電平Electrical to LightLight to ElectricalLight Source(25 uw - 1 mw)Light Detector( 1-10 uw)InputOutputElectrical to LightLi

3、ght to ElectricalLight Source(25 uw - 1 mw)InputOutputThe amount of light coupled depends upon fiber size.The amount of light received does not.Light Detector( 1-10 uw)TXRXCOAXCOAX* 光源強(qiáng)度隨輸入電平變化.* AGC 補(bǔ)償。* 常用于 850 nmTXRXCOAXCOAX* 光載波的頻率隨輸入輸入電信號(hào)的強(qiáng)度變化* 允許使用音頻和數(shù)據(jù)副載波.*載波頻率在 20 - 40 MHz之間.VIDEO 和 PTZ 視頻單向

4、、數(shù)據(jù)反向Camera with PTZControl ReceiverDataFIBER (1 OR 2)Control transmitterMonitorVIDEO 和 PTZ (UP THE COAX) 視頻單向, Up-the Coax ControlCamera with PTZControl ReceiverDataFIBER (1 OR 2)Control transmitterMonitorTransceiverTransceiverVIDEO 和 PTZ 視頻單向、數(shù)據(jù)雙向Camera with PTZControl ReceiverDataFIBER (1 OR 2)Co

5、ntrol transmitterMonitorTransceiverTransceiver視頻、內(nèi)部通訊和門禁系統(tǒng)CameraDataFIBERMonitorTransceiverTransceiverMASTER INTERCOMREMOTE INTERCOMConverterConverterRemote PanelCPU 視頻、數(shù)據(jù)和門禁雙向Data1300 nm850 nm雙向850 nm1300 nm單向WDM單模光纖1300nm1550nm單向雙向1300nm1550nm兩跟光纜通過4視頻和PTZ 4視頻單向，數(shù)據(jù)單向Camera with PTZControl ReceiverFIBERControl transmitterMonitorCamera with PTZFIBER4 CH. VIDEO TX4 CH. VIDEO RXDATA