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    1.25G 1310nm 20KM Single mode dual fiber LC Sfp Module

    Short Description:

    √ Multi-sourced SFP package with dual LC/PC receptacles;

     Single mode dual fibers transmission

    √ Up to 20~80Km with 9/125μm SMF;

    √ AC coupled for Rx and Tx side

     0°C to +70°C for commercial level, -40°C to +85°C for industrial level;

     operates at data rate 1.25Gbps;

     Complies with MIL-STD-883/GR-468

     Complies with lots of brands of switch such as cisco h3c…

    √ Can be with or without DDM


    Product Detail

    Parameters

    Applications

    video

    Product Tags

    Notes:
    switch from a high state to a low state.
    1)Value of output power and sensitivity can be customized according to the demand
    Designing notice:

    DSFP Pin description

    Pin

    Descriptions

    Pin

    Descriptions

    1

    VEET

    Transmitter Ground (Common with Receiver Ground)

    1

    2

    TFAULT

    Transmitter Fault.

    2

    3

    TDIS

    Transmitter Disable. Laser output disabled on high or open.

    3

    4

    MOD_DEF(2)

    Module Definition 2. Data line for Serial ID.

    4

    5

    MOD_DEF(1)

    Module Definition 1. Clock line for Serial ID.

    4

    6

    MOD_DEF(0)

    Module Definition 0. Grounded within the module.

    4

    7

    Rate Select

    No connection required

    8

    LOS

    Loss of Signal indication. Logic 0 indicates normal operation.

    5

    9

    VEER

    Receiver Ground (Common with Transmitter Ground)

    1

    10

    VEER

    Receiver Ground (Common with Transmitter Ground)

    1

    11

    VEER

    Receiver Ground (Common with Transmitter Ground)

    1

    12

    RD-

    Receiver Inverted DATA out. AC Coupled

    13

    RD+

    Receiver Non-inverted DATA out. AC Coupled

    14

    VEER

    Receiver Ground (Common with Transmitter Ground)

    1

    15

    VCCR

    Receiver Power Supply

    16

    VCCT

    Transmitter Power Supply

    17

    VEET

    Transmitter Ground (Common with Receiver Ground)

    1

    18

    TD+

    Transmitter Non-Inverted DATA in. AC Coupled.

    19

    TD-

    Transmitter Inverted DATA in. AC Coupled.

    20

    VEET

    Transmitter Ground (Common with Receiver Ground)

    1

    Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)

    SFP Host Board Mechanical Layout (Cont.)

    Recommended Bezel Design

    Part No.

    Wavelength

    Connector

    Temp.

    TX Power

    (dBm)

    RX Sens

    (Max.) (dBm)

    DDMI

    Distance

    DSFP3X24-F11LC-20

    T 1310FP/rx 1100~1610

    LC

    -20 to 70

    -9 to-0

    -23

    F

    20km

    DSFP5X24-D12LC-40

    T 1550DFP /R 1100~1610

    LC

    -20 to 70

    -5~0

    -24

    T

    40KM

    DSFP6124-C12LC-80

    T 1610 CWDM/ R 1100~1610

    LC

    -20 to 70

    -3 to 2

    -26

    T

    80km

    Ordering Information:
    Example
    DSFP 3X 24-0 12 LC – 20

    Sign

    Mean

    Description

    DSFP

    Module type

    DSFP= Dual fibers SFP

    SFP=Single fiber SFP

    3X

    Center wave

    88=850NM T&R

    3x=1310 tx/1100~1610 RX

    CWDM Like 49=1490 CWDM TX 1100~1610 RX

    24

    date Rate

    03=155M

    12=622M

    24=1.25G

    48=2.5G

    60=3.125G

    0

    Laser type

    0=no LD

    1

    Operating T

    1=-20~+70℃

    2=-40~+85℃

    2

    DDMI

    1=NO DDM

    2=DDMI

    LC

    Connector

    SC=SC

    LC=LC

    20

    Distance

    022=220M

    055=550M

    5=5KM

    10=10KM

    20=20KM

    40=40KM

    80=80KM

    100=100KM

    Absolute Maximum Ratings:

    Parameter

    Symbol

    Min

    Max

    Unit

    Storage Temperature

    TS

    -40

    +85

    Operating Temperature

    TOP

    Commercial level

    -20

    +70

    industrial level

    -40

    85

    Supply Voltage

    VCC

    -0.5

    +4.5

    V

    Voltage on Any Pin

    VIN

    0

    VCC

    V

    Soldering Temperature ,Time

    -

    260℃, 10 S

    ℃,S

    Recommended Operating Conditions:

    Parameter

    Symbol

    Min.

    Typ

    Max.

    Unit

    Ambient Temperature

    TAMB

    Commercial level

    0

    -

    70

    industrial level

    -40

    85

    Power Supply Voltage

    V  CC-VEE

    3

    3.3

    3.6

    V

    Operating Conditions:
    1. Transmitter(T=25℃, Vcc=3~3.6V (+3.3V)) 1.25G

    Parameter

    Symbol

    Min.

    Typ

    Max.

    Unit

    Center Wavelength

    lc

    FP OR DFB

    1520

    1550

    1580

    nm

    1280

    1310

    1340

    CWDM

    l-6

    l(note1)

    l+6

    Spectral width

    △l

    FP@RMS

    -

    1

    2

    nm

    DFB@-20dB

    FWHM

    -

    -

    1

    Side Mode Suppression Ratio

    SMSR (DFB only)

    30

    dB

    Output Power

    0~20km

    1310 FP

    Po

    -9

    -

    -3

    dBm

    20km

    1550 DFB

    -9

    -

    -0

    CWDM

    -9

    -

    -0

    40km

    1550 DFB

    -5

    0

    CWDM

    -5

    0

    80km

    1550 DFB

    -3

    2

    CWDM

    -3

    2

    Extinction Ratio

    ER

    1.25G

    9

    -

    dB

    Supply Current

    ICCT

    -

    150

    mA

    Input Differential Impedance

    Rin

    100

    Data Input Swing Differential

    Vin

    300

    1200

    mV

    Optical Modulation Amplitude

    OMA

    174

    μW

    Transmit Disable Voltage

    VD

    2.0

    Vcc

    V

    Transmit Enable Voltage

    VEN

    0

    0.8

    V

    Transmit Disable Assert Time

    10

    us

    Optical Rise/Fall Time

    Tr/ Tf (20-80%)

    150

    260

    ps

    Deterministic Jitter Contribution

    TX ΔDJ

    51.7

    ps

    Total Jitter Contribution

    TX ΔTJ

    90

    ps

    Output Optical Eye

    IUT-T G.957 Compliant

    2.Receiver (T=25℃, Vcc=3~3.6V (+3.3V) 1.25G

    Parameter

    Symbol

    Min.

    Typ

    Max.

    Unit

    Wavelength Range

    lc

    1100

    1610

    nm

    Sensitivity

    0~20km

    1.25G

    Pin

    PMIN

    -

    -24

    -23

    dBm

    40km

    Pin

    -

    -25

    -24

    80km

    Pin

    -

    -27

    -26

    MAX. Input Power (Saturation)

    PMAX

    -3

    -

    -

    Signal Detect Assert

    PA

    -

    -

    -24

    Signal Detect De-assert

    PD

    -34

    -

    -

    Signal Detect Hysteresis

    PHYS

    1

    -

    4

    Supply Current

    ICCR

    -

    -

    150

    mA

    Data Output Swing Differential

    Vout

    400

    -

    1000

    mV

    Signal Detect Voltage – High

    VSDHC

    2.0

    -

    VCC

    V

    Signal Detect Voltage – Low

    VSDL

    0

    -

    0.8

     

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