All Our Products can be Customized to Meet the Customer's Various Requirements

Do you know your Internet Explorer is out of date?

To get the best experience for our site, we recommend you upgrade to the latest version of Internet Explorer, or select another web browser, a list of the most popular web browsers can be found below

You can download the main browser here:

Position: Home > Products > Fiber Optic Passive Components > CWDMs



1-16channel; 1260-1620nm; ABS box, LGX box or 1U (2U) Rack mount

    Key Features

  • Excellent environmental reliability
  • Low Insertion Loss
  • High Channel Isolation
  • Ultra Low PDL & PMD
  • Description
  • Specifications
  • Ordering Information
  • Applications
  • FAQ
  • Product Video
  • Sun Telecom' s CWDM can realize the multiplexing and demultiplexing between two communication channel .It can expand the capacity of single fiber to achieve bidirectional communication, which can widely used in optical network upgrade and expansion, or introduce new comprehensive business etc.
  • Specifications
    Parameters Specification
    Wavelength Range (nm) 1260 ~ 1620
    Center Wavelength (nm) 1270, 1290, …, 1610 or 1271, 1291…, 1611
    Channel Spacing (nm) 20
    Pass Band Width (nm) λc ±7.5
    Channel No. (λ) 2 4 8 16 18
    Insertion Loss (dB)3 ≤ 0.8 ≤1.5 ≤2.5/1.8 ≤5.2 / 3.5 ≤6.4 / 3.9
    Adjacent Channel Isolation (dB) ≥30
    Non-adjacent Channel Isolation (dB) ≥40
    Wavelength Thermal Stability (nm/°C) <0.003
    Insertion Loss Thermal Stability (dB/°C) ≤0.005 ≤0.007 ≤0.008
    Return Loss (dB) ≥45
    Polarization Mode Dispersion (ps) ≤0.10 ≤0.15
    PDL (dB) ≤0.10 ≤0.15 ≤0.20 ≤0.25
    Directivity (dB) ≥50
    Max. Power (mW) 500
    Operating Temp. (°C) -10~+70
    Storage Temp. (°C) -40~+85
    Relative Humidity 5% ~ 95%
    Dimension (mm) ABS Box or LGX Box or 1U(2U)Rack mount
    Notes 1. Customization is available. 
    2. Insertion loss value after “/★” is “with skip filter” . 
    3. Specified without connector, and add an additional 0.2dB loss per connector.


     Rack-mounted Equipment
    Ø  100×80×10.5mm

    Ø  140×115×18mm


    Eg:   SUN-CWDM-8S31-900L1-AFC-C2
            CWDM, 8 Channel, Single mode fiber, 1st wavelength channel: 1310nm, fiber diameters: 900um, Fiber                  
            Length: 1m, FC Connector, Cassette type (100 x 80 x 10.5mm)

    A B C D E F G
    Channel No. Fiber Type 1st Channel Fiber Diameters Fiber Length Connector Dimensions (cm)

    S: 9/125
    X: Others
    27: 1270nm
    31: 1310nm

    61: 1610nm
    XX: Special
    250: 250um
    900: 900um
    2: 2.0mm
    3: 3.0mm
    X: Others
    L1: 1.0m
    L2: 2.0m
    X: Others
    OO: None
    FC: FC/PC
    SC: SC/PC
    ST: ST/PC
    LC: LC/PC
    X: Others
    S1: Φ5.5×34
    S2: Φ5.5×35.4
    C1: 90×20×10
    C2: 100×80×10.5
    C3: 120×80×18
    C4: 140×115×18
    R1: 1U
    X: Others

  • ● Optical Fiber Amplifiers
    ● CATV Fiber Optic Links
    ● WDM Transmission System 

Related Products