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QSFP28 100G ER4 1310nm 40Km LC

By C-LIGHT Marketing 丨 Jan 6, 2026
Table of Contents

    ‌QSFP28 100G ER4 Optical Transceiver‌ utilizes 1310nm wavelength laser technology to achieve ‌40km long-haul transmission‌ over single-mode fiber via ‌duplex LC connectors‌. It supports ‌100Gbps Ethernet (IEEE 802.3ba)‌ and ‌Fiber Channel protocols‌, complying with the ‌100G ER4 Lite industry standard‌. Featuring ‌≤5.5W low power consumption‌ and ‌hot-swappable capability‌, this module is engineered for high-density deployment scenarios including ‌Data Center Interconnect (DCI)‌ and ‌metro network backbone transmission‌.


    0℃~70℃ 丨 TX:-2dBm~5dBm 丨 RX < -21.4dBm 丨

    < 5.5w丨Factory warranty


    CL100GQSFPER4

    QSFP28-100G-ER

    ●Compliant with QSFP28 Standard:SFF-8661 Rev 2.5, SFF-8636 Rev 2.10a

    ●High speed I/O electrical interface (CAUI-4) compliant with IEEE 802.3bm-2015

    ●Compliant with 100GBASE-ER4 Lite standard

    ●Single 3.3V Supply Voltage

    ●Maximum power consumption 5.5 W at 70ºC Case Operating Temperature

    ●Single 3.3V power supply

    ●LAN WDM EML laser and APD Receiver

    ●Universal QSFP28 MSA package with duplex LC connector

    ●Two Wire Serial Interface with Digital Diagnostic Monitoring

    ●Complies with EU Directive 2011/65/EU (RoHS compliant)

    ●Class 1 Laser



     Specification

    Number

    CL100GQSFPER4

    VendorC-LIGHT
    Form FactorQSFP28Data Rate Max

    103.125Gbp

    (4x 25.78Gbps)

    Wavelength1310nmDistance

    40km

    ConnectorLCMediaSMF
    Transmitter Type4 x LAN WDM EMLReceiver TypePIN
    TX Power-2dBm~5dBmReceiver Sensitivity< 21dbm
    Power Budget19dBmReceiver Overload< -4.5dBm
    Power Consumption≤5.5WExtinction Ratio>8dB
    DDM/DOMSupportedIndustrial Temperature Range0 to 70°C
    CDRTX & RX Built-in CDRFEC FunctionNo
    ProtocolsSFF-8661 Rev 2.5, SFF-8636 Rev 2.10a,QSFP28 MSA and IEEE 802.3bm-2015Warranty3 Years


     System Test

    /uploads/20250805/QSFP28-100G-ER4-1310nm-40Km-LC

    QSFP28-100G-ER4-1310nm-40Km-LC-test

    QSFP28-100G-ER4-1310nm-40Km-LC-DDM


     Test video


     Related Products
    NumberCL100GQSFPER4CL100GQSFPZR4CL100GQSFPLR4
    WavelengthLAN WDM 1310nmLAN WDM 1310nmLAN WDM 1310nm
    ConnectorLCLCLC

    Cable Distance (Max.)

    40km

    80km

    10km

    Data Rate

    103.125Gbps103.125Gbps103.125Gbps

    Transmitter Type

    EMLEMLEML

    TX Power

    -2dBm~5dBm2dBm~6.5dBm

    > -3dBm

    Receiver Sensitivity

    < -21dBm< -81dBm

    <  -8dBm

    Power Consumption≤ 5.5W≤ 6.5W≤ 3.5W


     Application Graph
    QSFP28-100G-ER4-1310nm-40Km-LC-application


    For any questions, please contact us by email or WhatsApp.

    Email: sales@c-light.com

    WhatsApp: +86 132 6656 7067

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