BESTOS-3200 FIELD OPTICAL WORK STATION

Summary OS-3200 is field bidirectional optical receiving equipments, developed and researched especially for metropolitan area networks; with building block design for the whole structure, and nice flexibility to meet user’s networks requirements. RF motherboard is detachable and the positive RF transmission is designed based on the bandwidth of 1000MHz With excellent detecting circuit, networks system which is compatible with HMS standards, and to monitor the networks through network responder; configure the unit with two-way receiving modules, two-way reverse optical transmitting module, one power supply module and one network responder module Features: 1.With building block design for the whole structure, and nice flexibility to meet user’s networks requirements 2.Adopt the world-level high-sensitivity optical detector at the optical receiving part 3.Use low-noise DFB laser at the reverse part, imported low-noise push-pull amplifier module at the forward stage, and imported power-doubled amplifier module at the backward stage( GaAs is available according to user’s requirements) 4.With two-way optical receiving modules, two-way optical transmitting module, which can be switched automatically and manually according to user’s requirements 5.The output level at the four output port can reach 114dBuv, and each forward channel is amplified and equalized independently; the output level and output slope can be adjusted independently; with test port in line 6.With test port for both forward and backward direction; plug-in port for reverse modulation signal; both features can make modulation and maintenance more convenient 7.Inset excellent condition-detecting circuit and network-monitoring system, which is compatible with HMS standards, to greatly enhance the security and reliability of networks 8.With detachable power supply module and high-reliability switch power supply, which has over-voltage and over-current protection Parameters ItemsUnitsParametersForward channel optical receiving partsOptical parametersOptical receiving powerdBm-6 +2Operating wavelengthnm1290 1600Return lossdB≥45Optical connectorFC/APC or SC/APCFiber modeSingleLink parametersC/NdB≥51C/CTBdB≥65C/CSOdB≥60RF parametersFrequency rangeMHz45/87 750/870Flatness in banddB±0.75Output leveldBuV≥108Input return lossdB≥16(45-550MHz);≥14(550-870MHz)Output impedanceΩ75Reverse optical transmitting partOptical parametersOptical wavelengthNm1310±10Optical output powermw1-2Optical connectorFC/APC or SC/APCRF parametersOperating frequencyMHz5-30/42/65(according to user’s requriements)Flatness in banddB±0.75Input leveldBuV75 85Input return leveldB≥16Output impedanceΩ75NPR rangedB≥10(NPR≥30)General indexesOperating temperature°C-40 60Operating voltageV35 90 or 135 270(AC 50Hz)Storing voltage°C-40 65Relative humidity%Max 95% no condensationPower consumptionW90