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  • CWDM OADM
  • CWDM OADM

    CWDM Optical Add/Drop multiplexer (OADM) is a passive optical device used in WDM networks for adding and dropping one/multiple CWDM channels into one or two fibers, while letting the rest of the wavelengths bypass to the needed destination.CWDM OADM modules are available in single-sided (East or West) and dual-sided (East and West) configurations supporting up to four wavelengths.
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  • ● Low insertion loss

    ● Protocol transparent (support 1G, 10G etc.)

    ● Based on thin film optics with epoxy free optical path

    ● Fully compliant with Telcordia GR1221, GR1209, RoHS, ISO

    ● Ideal for WDM ring structures or daisy chain applications

    ● ADD<==>EXP, DROP<==>COM

    ● Multiple packages available


    Specifications

    Parameter

    Unit

    Specification

    Wavelength Range

    nm

    1260 ~ 1620

    Center Wavelength

    nm

    Customer specified

    Channel Spacing

    nm

    20

    Passband

    nm

    CW±6.5

    Insertion Loss

    COM==>DROP

    dB

    ≤1.5

    ADD==>EXP

    Adjacent Isolation

    dB

    ≥30

    Non-Adjacent Isolation

    dB

    ≥45

    PDL

    dB

    ≤0.1

    Directivity

    dB

    ≥50

    Return Loss

    dB

    ≥45

    PMD

    ps

    ≤0.1

    Power handling(CW)

    mW

    ≤300

    Operating Temperature

    -10 to +70

    Storage Temperature

    -40 to +85

    Fiber Type

    G.657.A1 or G.652D

    Fiber Diameter

    3.0mm or 2.0mm0.9mm with loose tube

    Connector Type

    LC/UPC or others

    Fiber Length

    m

    1 or others

    Optional Moniter port

    %

    1

    Package Dimensions

    mm

    ABS Cassete:100*80*10.5;140*115*18;

    ABS mini box90x20x10;

    Steel tube :Φ5.5*38;
    LGX or 19 inch Rack fixed


    Applications in WDM Network


    Ordering Info. for OADM

    Part NumberSPWM-O-49A1-20-1LLU-A

    123 4567 8   9101112 

    Product DescriptionOADM Dual Fiber ABS Cassette 1 wavelength   1490nmADD/1490nmDROP G.657.A1 2.0mm Diameter 1M Fiber length with LC/UPC   connector

    1 - Number of wavelengths

    Null:1 wavelength;    2:2   wavelengths; 

    2 - Type

    O:OADM

    3 - Optional functions

    M:Moniter port;

    4 - Wavelength

    27:1270nm;    29:1290nm;    31:1310nm;      33:1330nm;    35:1350nm;      37:1370nm;    39:1390nm;      41:1410nm;    43:1430nm;    45:1450nm;      etc

    5 - Communication Type

    S:Single fiber;    Null:Dual fiber;

    6 - Fiber Type

    D:G.652D;    A1:G.657.A1;

    - Fiber Diameter

    202.0mm;    090.9mm with loose tube;   Does not show in LGX and 19 inch Rack fixed

    - Fiber length

    11M or   others;    Does not show in LGX and 19 inch Rack   fixed 

    9 - COM ports

    L :LC;    S:SC;      F:FC;

    10 - Other ports

    L :LC;    S:SC;      F:FC;

    11 - Endface

    U :UPC polish; P :PC polish; A :APC   polish

    12- Package

    A:ABS Cassette or mini ABS box;      B:Steel tube;    L:LGX;      R:19 inch Rack fixed


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