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    Home / Products / Transceivers / 25G/40G Transceivers / 25G SFP28 / 32964

    Cisco SFP-25G-ER Lite Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module

    Product No :32964
    1 Reviews
    116 Solds
    US$ 109.00
    Compatible
    Transceivers type
    845 in real-time stock, 11Jul, 2025

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    1. Rate: 25G; Connector: Duplex lC
2. DFB+PIN; Low Power Consumption <2W
3. Applied in Metro and Long-Haul network
4. Fully Compatible with 100+ Vendors
5. SFP28 MSA Compliant
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    Specifications

    Cisco SFP-25G-ER Lite Compatible 25GBASE-ER SFP28 Optical Transceiver Module (SMF, 1310nm, 40km, LC, DDM)

     

    The Cisco SFP-25G-ER lite compatible 25G SFP28 transceiver module is equipped with LC duplex connectors, reaching a link up to 40km over OS2 single-mode fiber with FEC (30km over G.652 SMF without FEC). This 25G optical transceiver comes with an SFP28 connector, enabling 25 Gbps bandwidth. DOM/DDM (digital diagnostics monitoring) function is supported on the 25G fiber optic transceiver to achieve real-time operating parameters monitoring.

     

    QSFPTEK manufactured 25GBASE-ER SFP28 module is compliant with SFP28 MSA, IEEE 802.3by SFP28 specifications. Besides, the small form-factor pluggable 28 (SFP28) ER optic has been tested on host devices to ensure full compatibility with Cisco equipment, such as data center switches, enterprise routers, and server network interface cards (NICs). The third-party 25G SFP module is an ideal substitute to the Cisco SFP-25G-ER SFP28 25G transceiver at an affordable price, providing a cost-effective compatible solution for high-performance 25G connectivity.

     

    ER 25G SFP28 transceiver caters to 25 Gigabit Ethernet (25GbE) optical fiber connections, ideal for long-distance applications in the campus, metro networks, ISP operators, etc.

     

    Model Name SFP-25G-ER Vendor Name QSFPTEK
    Form Factor SFP28 Data Rate 25 Gbps
    Wavelength 1310nm Distance 40km@OS2 with FEC
    Connector LC Duplex Cable Type OS2 SMF
    Transmitter Type DFB Receiver Type PIN
    TX Power -3~6dBm Receiver Sensitivity <-18dBm
    Power Consumption <2W Modulation Format NRZ
    DDM Support Bit Error Ratio (BER) 1E-12
    Protocols IEEE 802.3ba, SFP28 MSA Warranty 5 Years

     

    Quality Testing Program
    Optical Transceivers Testing

    Take a look at our test program to get the reliable and high-performance optical transceivers.

    Quality Certifications

    Features

    • 1. High Reliablility and Best Price
      Proudly self-producing and rigorous testing, QSFPTEK is dedicated to delivering cost-effective products with high reliability and performance at trade price.
    • 2. Wide Application Scenarios
      Fully compatible with almost all Cisco devices. Ideal for metro and long-haul networks.
    • 3. Protocols
      Compliant with IEEE 802.3ba, SFP28 MSA.
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    Connection 1: 25GBASE-ER Connectivity

    Connection 1: 25GBASE-ER Connectivity

          

    Connection 2 : 25GBASE-ER Connectivity with NIC

    Connection 2 : 25GBASE-ER Connectivity with NIC

    Product details

    Various Switch Tests

     

    Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

     

     

     

    Tested in The Host Device to Prove Interoperability

     

    Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

     

    QSFPTEK Test Rack

     

     

    Comprehensive Testing

     

    Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

     

    QSFPTEK Test Devices

     

     

    Questions & Answers

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    • ALL (1)
    • Ari G United Kingdom
      2021-11-30

      shop from here after doing research on several SFP manufacturers. Impressed by the price offered. currently works fine with my Cisco switch. I do get a cheaper price from other vendors, but maybe they have refurbished modules.

      Transceivers typeSFP-25G-ER Lite

      CompatibleCisco

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    Resources

    • PDF Document
      QT-SFP28-ER Datasheet.pdf
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    Cisco SFP-25G-ER Lite Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module

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    Mark

    2023-12-15
    This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

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    Cisco SFP-25G-ER Lite Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module
    US$ 109.00
    Compatible
    Cisco
    Transceivers type
    SFP-25G-ER Lite
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    Bulk Order Quotes
    Cisco SFP-25G-ER Lite Compatible 25GBASE-ER 1310nm 40KM DDM LC SMF Optical Transceiver Module

    Compatible Cisco

    Transceivers type SFP-25G-ER Lite

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