1550 External Modulation TX
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FWT-1550EH series,CNR≥52dB,SBS:13~19dBm adj. two outputs,2x7,2x8,2x9,2x10dBm
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  • FWT-1550EH-高级型外调SBS19---前.jpg
  • 2012-外调后内图.jpg
  • 2012-外调后.jpg

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    FWT-1550EH series externally modulated optic transmitter,which accords with current international industry technique standard is a 1550nm Externally Modulated Optical Transmitter.The whole unit 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.The whole unit signal modulation adopts CATV special LiNbO3 external modulator of American company and FULLWELL optimized control technology with independent intellectual property,so FWT-1550EH series externally modulated optic transmitter can reach high index of back to back,CNR≥52dB,CTB≤-65dB, CSO≤-65dB, 47~862MHz, SBS:13~19dBm adjustable.The whole unit is equipped with perfect RS232 communication interface,SNMP network management,1+1 back-up power supply ,hot-plug function available and casing temperature auto-control.

     


     

     High performance:externally modulated technology,no laser chirp,low dispersion,high extinction ratio,with excellent characteristic within 47~862MHz.

     1+1 back-up power supply,up hot-plug function available.

     Narrow bandwidth(Typ.=0.65MHz),low noise and DFB continuous wave laser,propitious to reduce the influence of dispersion.

     CNR≥52dB and excellent CTB,CSO index.

     SBS:13~19dBm adjustable.

     ITU standard wavelength,±200GHz(±1.6nm)adjustable.

     AGC/MGC mode is optional at spot,OMI can be optimized at spot.
     Advanced SNMP network management function.



    Items

    Parameter

    Remark

    Optic
    Parameters

    Operating wavelength

    (nm)

    1550±10

    Output power

    (dBm)

    2×10

    2×7, 2×8, 2×9 ,

    2×10 , 2×11,2x12

    Return loss

    (dB)

    ≥52

    Optical fiber connector

    SC/APC

    Optional SC/APC,FC/APC

    RF
    Parameters

    Bandwidth

    (MHz)

    47-862

    Input level

    (dBmV)

    23±5

    AGC

    Flatness

    (dB)

    ≤±0.75

    45~(862)1000MHz

    Return loss

    (dB)

    >16

    45~750MHz

    Input Impedance

    (Ω)

    75

    Link
    Parameters

    Channels

    PAL-D/60ch

    CNR

    (dB)

    ≥52

    65Km fiber,Receive0dBm

    CTB

    (dB)

    ≤-65

    CSO

    (dB)

    ≤-65

    SBS

    (dB)

    ≥16.0

    13~19dB adj.

    General
    Parameters

    NM interface

    RJ45

    Power

    (V)

    90~265

    Optional -48VDC

    Power consumption

    (W)

    ≤50

    Working Temp

    (℃)

    0~50

    Automatically casing temp control

    Storage Temp

    (℃)

    -20~85

    Operating relative humidity

    (%)

    5~95

    Size

    (")

    19×14.5×1.75

    (W)x(D)x(H)



    FWT-1550EH -2×7    (two outputs, ≥7dBm) 
    FWT-1550EH -2×8    (two outputs, ≥8dBm) 
    FWT-1550EH -2×9    (two outputs, ≥9dBm)

     

    FWT-1550EH -2×10    (two outputs, ≥10dBm) 
    FWT-1550EH -2×11    (two outputs, ≥11dBm) 
    FWT-1550EH -2×12    (two outputs, ≥12dBm)

     

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