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Optical equipment for cable TV

CATV & L-Band Satellite Optical Transmitter SAT-2600

CATV & L-Band Satellite Optical Transmitter SAT-2600
  • Summary
  • Features
  • Advantage
    This series of 950~2600MHz Satellite and CATV optical transmitters work at bandwidth of both 40~860MHz and 950~2600MHz.being able to work independently at bandwidth of 950~2600MHz.  It can transmit CATV signal and the whole L-Band satellite signal(SAT-IF)received by LNB into optical signal, thus achieving transparent transmission of high quality in long distance through fiber. This series is a combination of high technology of CATV and satellite L-Band optical fiber link products, which provides the lowest cost solution in the market for the network providers.
    The transmitter is of 1U height which can be easily installed at 19" rack, it adopts low noise, narrow bandwidth and continuous wave DFB lasers with thermoelectric cooler from JDSU, Fujitsu or MITSUBISHI. Adopting original  high quality  critical components and system optimization control technology and SMNP technology designed by our own, the technical parameter of the whole machine completely meet the standard of other like products imported from Europe and U.S.A, providing remarkable photo, digital and compressed digital signals in long-distance transmission for CATV and satellite communication.

    1. High quality: original system optimization control technology and RF pre-distortion technology ensure that the system can acquire the maximum CTB, CSO, and SBS targets in the case of excellent performance CNR .
    2. Flexibility: it can independently transmit 1~2 ways of satellite signals. An extra way of CATV signal is optional.
    3. Reliability: The 19 "1U standard rack, built-in high-performance dual switching power supply, it can work in the backup at 85 ~ 265Vac City Network Voltage, MS-level automatic switching; chassis cooling automatic temperature control.
    4. Intuitive: The machine is equipped with microprocessor monitors the working state of the laser, the panel LCD window displays the operating parameters.
    5. Network type: Select All-piece status monitoring transponder guarantee to meet the national standard and be compatible with the SCTE HMS standard, it enable network management monitoring capabilities.
    6. Hot plug-in type:Aluminum structured plug switching power supply allows for heat dissipation and replacement. Dual power supply both hot and cold backup. 
    No. Item Unit Parameter remarks
    1 Laser  Type   DFB See in specification
    2 Optical wavelength nm 1310;1550±10;  
    3 Side Mode Suppression Ratio dB ≥45 SMSR
    4 Noise Equivalent Intensity dB/Hz ≤-145 RIN (20~2700MHz)
    5 Optical Modulation   Direct  Modulated  
    6 Optical Output Power dBm    
    7 Return Loss dB ≥50  
    8 Optical Fiber Connector   FC/APC,SC/APC  
    1 Frequency Range MHz 47~865  
    2 C/N dB ≥51.0 GY/T143-2000
    3 Flatness dB ±0.75 GY/T143-2000 6.2.4
    4 RF Input Level dBuV 77~83 AGC
    5 C/CTB dB ≥65.0 GY/T143-2000 6.2.5
    6 C/CSO dB ≥65.0 GY/T143-2000 6.2.6
    7 RF Input Impedance Ω 75  
    8 RF Input Return Loss dB >16 GB/T11381.1
    1 Frequency Range MHz 950~2700  
    2 IF Input Level dBM -40~-20 Total input power
    3 Flatness dB ±1.0  
    4 IMD dB -40dBc Total input power≤-20 dBm
    5 Input Impedance Ω 75  
    6 Input Return Loss dB >12  
    General Parameters
    15 Power V 90~265 -48Vdc available
    16 Power consumption W ≤50 Single power working
    17 Working temperature 0~50 Chassis temperature control automatic
    18 Storage temperature -20~85  
    19 Operation relative humidity % 20%~85%  
    20 size mm 483(W)X280(D)X44(H) 1U
    21 Network type   RJ45 Support Web and SNMP