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    GPON OLT B+ Optical Module 2.5G/1.25G 20KM TX1490nm/RX1310nm GPON SFP

    Short Description:

    Product Features:

     Support ITU-T G.984.2 GPON OLT B+ application

    √ Single fiber bi-directional data links with symmetric 2.488Gbps Tx and 1.244Gbps Rx

     1490nm continuous-mode transmitter with DFB LD

     1310nm burst-mode receiver with APD-TIA

     2-wire interface for integrated digital diagnostic Monitoring

     Receiver RESET, Signal Detect, RSSI function indication (RESET, RX_SD, RSSI)

     SFP package with SC/UPC receptacle optical interface

     Single +3.3V power supply

     Operation case -40~85°C for industrial and 0~70°C for commercial RoHS6 compliance


    Product Detail

    Parameters

    Applications

    Video

    Product Tags

    GPON OLT B+ Optical Module 2.5G/1.25G 20KM

    TX1490nm/RX1310nm GPON SFP
    1.Operating Condition
    Parameter

    Unit

    Min.

    Typical

    Max.

    Storage Temperature

    °C

    -40

    85

    Operating Case Temp for C-temp

    °C

    0

    70

    Operating Case Temp for I-temp

    °C

    -40

    85

    Operating Relative Humidity

    %

    5

    95

    Power Supply Voltage

    V

    3.15

    3.3

    3.45

    Supply Current

    mA

    500

    Bit Rate for Tx

    Gbps

    2.488

    Bit Rate for Rx

    Gbps

    1.244

    2.Characteristics
    All performance is specified at whole working temperature and conditions

    Parameter

    Unit

    Min.

    Typical

    Max.

    Transmitter
    TX Central Wavelength

    nm

    1480

    1490

    1500

    Spectral Width (-20dB)

    nm

    1

    Side Mode Suppression Ratio (SMSR)

    dB

    30

    Mean Launched Power

    dBm

    1.5

    5

    Mean Launched Power (TX Off)

    dBm

    -45

    Extinction Ratio

    dB

    8.2

    Optical Return Loss Tolerance

    dB

    -12

    Transmitter and dispersion Penalty

    dB

    1

    Transmitter Mask(PRBS223-1@2.488G)

    Compliant With ITU-T G.984.2

    Receiver
    Receive Wavelength

    nm

    1290

    1310

    1330

    Sensitivity(PRBS223-1@1.244G,ER=10,BER<10-10)

    dBm

    -28

    Overload(PRBS223-1@1.244G,ER=10,BER<10-10)

    dBm

    -8

    Receiver Burst Mode Dynamic Range

    dB

    15

    Damage Threshold for Receiver

    dBm

    5

    SD Assert Level

    dBm

    -30

    SD De-assert Level

    dBm

    -45

    SD Hysteresis

    dB

    0.5

    6

    WDM Filter isolation to 1550nm

    dB

    38

    WDM Filter isolation to 1650nm

    dB

    35

    Electrical Interface Characteristics
    Data Input Swing Differential/TX

    mV

    200

    -

    2000

    Data Output Swing Differential/RX

    mV

    400

    1600

    Date Differential Impedance

    Ω

    90

    100

    110

    LVTTL Output High

    V

    2.4

    Vcc

    LVTTL Output Low

    V

    0

    0.4

    LVTTL Input High

    V

    2.0

    Vcc+0.3

    LVTTL Input Low

    V

    0

    0.8

    Timing Characteristics
    Guard Time (Tg)

    ns

    25.6

    Reset Pulse Width (Tr)

    ns

    12.8

    Reset Delay (Trd)

    ns

    12.8

    Receiver Preamble Time (Tp)

    ns

    140

    SD Assert Time (TSDA)

    ns

    100

    SD De-assert Time (TSDD)

    ns

    12.8

    RSSI Trigger Delay (Ttd)

    ns

    25

    RSSI Trigger Pulse Width (Tw)

    ns

    500

    Internal I2C Delay (Twait)

    us

    500

    GPON OLT C+ Optical Module 2.5G/1.25G 20KM TX1490nm/RX1310nm gpon sfp transceiver

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