光纤系统结构与设计

1、光纤系统结构与设计光纤系统结构与设计光纤系统结构与设计光纤系统结构与设计光纤系统结构与设计光纤系统结构与设计 （进阶）（进阶）（进阶）Fiber Options, Inc.Fiber Options, Inc.Fiber Options, Inc. 冠锋科技冠锋科技冠锋科技目标：电输出 = 电输入Electrical to LightLight to ElectricalInputOutputTXdB 损耗损耗终端连接终端连接 允许允许 1.0 (2)电缆电缆多模多模 850 3.5/km 1300 1.0/km单模单模 1300 .5/km 1550 .3/km接合接合溶化接合溶化接合 0.

2、1机械接合机械接合 0.2PATCH PANELS每对每对 1.0RX安全裕量安全裕量允许允许 3.0Core62.55 mm125 mmCladCore8 mm125 m mClad85 mm多模单模人的头发00.511.522.533.585013001550MMSM-19.0 dB光量计光源启动光缆连接 850 1300受测试光纤目标：输出电平输入电平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* 光源强度随输入电平变化.* AGC 补偿。* 常用于 850 nmTXRXCOAXCOAX* 光载波的频率随输入输入电信号的强度变化* 允许使用音频和数据副载波.*载波频率在 20 - 40 MHz之间.VIDEO 和 PTZ 视频单向

4、、数据反向Camera with PTZControl ReceiverDataFIBER (1 OR 2)Control transmitterMonitorVIDEO 和 PTZ (UP THE COAX) 视频单向, Up-the Coax ControlCamera with PTZControl ReceiverDataFIBER (1 OR 2)Control transmitterMonitorTransceiverTransceiverVIDEO 和 PTZ 视频单向、数据双向Camera with PTZControl ReceiverDataFIBER (1 OR 2)Co

5、ntrol transmitterMonitorTransceiverTransceiver视频、内部通讯和门禁系统CameraDataFIBERMonitorTransceiverTransceiverMASTER INTERCOMREMOTE INTERCOMConverterConverterRemote PanelCPU 视频、数据和门禁双向Data1300 nm850 nm双向850 nm1300 nm单向WDM单模光纤1300nm1550nm单向双向1300nm1550nm两跟光缆通过4视频和PTZ 4视频单向，数据单向Camera with PTZControl ReceiverFIBERControl transmitterMonitorCamera with PTZFIBER4 CH. VIDEO TX4 CH. VIDEO RXDATA