TFR7800J Оптический приемник

Summarize TFR7800J indoor optical receiver can be used in HFC network, digital network and telecommunication network for television images, digital TV signal, telephone voice signal and data or (compressed data) signal long-distance optical fiber transmission. This product is 19” 1U standard rack mount (optional). It has two-receiver backup function, remote network management interface. AC power supply input from the high-performance, high reliable switching power supply components turns into +24V DC power supply device to the machine. Features Adopt high-performance imported photoelectricity converter and power multiplier output module,excellent featuresRF level continuously adjustable; the balanced flatness range of the fixed equalization plug-in is 0 21dB.(3dB/stall optional)Output circuit is designed as plug-in form, one branch, two distribution plug-in optional, which provides two-way RF signal outputInput optical power can be monitored on the panel, LCD indicator indication, easy to maintainRedundant receive to ensure atable output signalOptical AGC function optional,receive at +1 -6dBm,RF output level changes no more than ±0.5dBOpen network management to meet the national standard, comply with SCTE HMS and IEC network management standardDiagram Specifications NO.ItemUnitDescriptionRemarkOptical Input 1Optical Input Wavelengthnm1200 16002Optical Input PowerdBm-8 +23Optical Connector TypeFC/APC or SC/APC4Optical Output LossdB≥455Backup Receiver Switching Operating PointdBm-7OptionalRF Output 6Frequency RangeMHz47 860/10007FlatnessdB±0.75 (output 1,2)8RF Output TestdB-20±19Output LeveldBuV≥9610RF Output Slope AdjustmentdB0 18dB (factory preset to 0dB)11RF ImpedanceΩ7512Return LossdB≥16(47 860MHz)13Optical Power Monitoring PointV/mw(1)14CNRdB51(system indicators)(2)15CSOdB-61(system indicators)16CTBdB-65(system indicators)17PowerV 220,+10%/-20%18Operating Temperature-10 +50Remark : 1.Optical transmitter modulation is 3.6%,59 PAL-D analogue channels are loaded at 550MHz bandwidth, 33 QAM64 digital channels are loaded at 550-750MHz bandwidth, and the level is lower 6dB than analogue carrier. 2.Test method in accordance with “GY/143-2000” Standard