FWT-1550ET Series, 1550nm Top Type External Modulated Optical
Transmitter Product Description FWT-1550ET series is a model of
1550nm Externally Modulated Optical Transmitter according with
current international industry technique standard. The device's
light source adopts narrow line width(Typ.=0.65MHz), low noise and
continuous wave DFB laser, which is propitious to reduce the
influence of dispersion.Adopting the LiNbO3 external modulator
specially developed and produced by USA Oclaro for CATV signal
modulation, and independently developed and designed dual microwave
source optimization control technology, which achieves transmission
of more than 120KM, CNR≥53dB, CTB≤-65dB, CSO≤-65dB, 47 ~ 862 MHz,
SBS: 13-19dBm continuous adjustable. Equipped with SNMP network
management, 1 + 1 power supply backup, and chassis temperature
automatic control.The FWT-1550ET series transmits 1550nm externally
modulated optical transmitters over long distances, transmitting
CATV signals in all bands, especially ensuring low-frequency and
high-quality signals. With its high indicators, high reliability,
and excellent performance-price ratio, it is suitable for large and
medium-sized CATV station's headend, which then used for the trunk
and distribution network trunk.Product feature1. Top quality: The
original dual microwave source innovation technology and RF
predistortion technology ensure the system has the perfect CTB, CSO
and SBS indexes when CNR≥53dB.2. Flexibility: The phase modulation
technology of the external modulator maximizes the optical power of
the fiber to obtain long-haul transmission while ensuring the
excellent CSO performance of the system, and the SBS threshold is
continuous adjustable: 13-19 dBm; AGC / MGC mode selectable at
site, OMI can be adjustable, suitable for different network
transmissions.3. Suitable for long-haul transmission of backbone
networks and metropolitan area networks.4. High bandwidth: up to
47-1000MHz working bandwidth.5. Reliability: 19" 1U standard rack,
built-in high-performance 1 + 1 hot backup power supply, which can
work at 86 ~ 265Vac city network. MS automatic switching, and
chassis temperature automatic control.6. Intuitive: The external
modulator and laser are the most expensive components of the
device. The built-in microprocessor monitors the external modulator
and laser working status, and the working parameters are displayed
on LCD.7. Network management type: SNMP network management, can
realize the network management WEB monitoring function.8. Passed
EMC and LVD international standard CE certification.Technical
ParametersItemsUnitParameterNoteLaser Model DFBOclaro (Made in
USA)Wavelengthnm1550±10Specified Before OrderingOptical Modulation
Method Externally Modulated Optical Output PowerdBm2x7Can
Customize 2x8, 2x9,2x10SBS ThresholddBm19(Default)13~19 continuous
adj.Optical Connector FC/APC or SC/APCSpecified Before
OrderingFrequency RangeMHz47~1000 CNRdB≥53.0GY/T143-2000
6.2.3.5FlatnessdB±0.75GY/T143-2000 6.2.4RF Input LeveldBuV78~88AGC
Automatic ControlC/CTBdB≥65.0GY/T143-2000
6.2.5C/CSOdB≥65.0GY/T143-2000 6.2.6RF Input ImpedanceΩ75 RF
Input Return
LossdB>16(47~550)MHz>14(550~862)MHzGB/T11381.1 4.2.2.2.5Power
SupplyV90~265 VACOptional -48VDCPower ConsumptionW≤50Single Power
Supply OperationWorking TemperatureºC0~50Automatic Temperature
ControlStorage TemperatureºC-20~85 Working Relative
Humidity%20%~85% Dimension″19″×11″×1.75″483(W)x280(D)x44(H)Network
Management Interface RJ45Supporting Web Browser and
SNMPProduct model seriesFWT-1550ET -2×7 (two outputs,
≥7dBm) FWT-1550ET
-2×8 (two outputs,
≥8dBm) FWT-1550ET
-2×9 (two outputs, ≥9dBm)FWT-1550ET -2×10(two outputs,
≥10dBm)
Main technical
indicatorsItemsParameterRemarkOptic ParametersOperating
wavelength(nm)1550±10 Output power(dBm)2×102×7, 2×8, 2×9 ,2×10
, 2×11, 2x12Return loss(dB)≥52 Optical fiber
connector SC/APCOptional
SC/APC,FC/APCRF ParametersBandwidth(MHz)47~860 or
47~1080 Input
level(dBmV)23±5AGCFlatness(dB)≤±0.7545~(862)1080MHzReturn
loss(dB)>1645~750MHzInput
Impedance(Ω)75 Link ParametersChannels PAL-D/60ch CNR(dB)≥5365Km
fiber, Receive
0dBmCTB(dB)≤-65 CSO(dB)≤-65 SBS(dB)≥16.013~19dB
adj.General ParametersNM
interface RJ45 Power(V)90~265Optional -48VDCPower
consumption(W)≤50 Working Temp(ºC)0~50Automatically casing
temp controlStorage Temp(ºC)-20~85 Operating relative
humidity(%)5~95 Size(")19×14.5×1.75(W)x(D)x(H)Products
seriesFWT-1550ET -2×7 (two
outputs, ≥7dBm)FWT-1550ET -2×8 (two
outputs, ≥8dBm)FWT-1550ET -2×9 (two
outputs, ≥9dBm) FWT-1550ET
-2×10 (two outputs, ≥10dBm)FWT-1550ET
-2×11 (two outputs, ≥11dBm)FWT-1550ET
-2×12 (two outputs, ≥12dBm)If you have
another question, please feel free to contact me directly as
below:Hangzhou Fullwell Optoelectronic Equipment Co.,
LtdAdd:A2-1305,Qimeng Science & Innovation
Park,No.1899,Gudun Road,Hangzhou, ChinaContact person: Leo
Yao "Design and manufacture
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