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    Home / Products / Network switches / Media Converters / Copper to Fiber Media Converters / 99868

    QT-UMC-400A, 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP Slot Gigabit Ethernet Mini Unmanaged Media Converter, DC 5~12V

    Product No: 99868
    25 Reviews
    125 Sold
    US$ 41.90  US$ 50.90
    Series
    Models
    100 in real-time stock, 15 Jun, 2026
    1-Year Warranty 14-Day Returns 90-Day Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
    Returns & Exchange
    Exchanges caused by the customer's reasons will not be accepted.
    Please ensure that the item you're returning is repackaged with all the cords, adapters, and documentation included when you receive it.
    Please check our Return Policy for details.
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    Add to Cart Bulk Order Quotes 
    1. Mini Size, Dimensions 0.79''x2.36''x3.54'' (20x60x90mm)
2. Supporting Auto-MDI/MDIX
3. Support IEEE 802.3x Flow Control, LFP/ALS Function & FX Speed are Optional
4. Support 1U 12 Slots Chassis & Stand-alone Use
5. Equipped with LED Indicates Diagnostic & DIP-switch Configurations Status
    See more

    Specifications

    Mini Gigabit Ethernet Network Media Converter (1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP)

     

    This fiber to Gigabit Ethernet media converter is configured with a 1x 10/100/1000Base-T RJ45 port and a 1000Base-X SFP port. It is used to contact the RJ45 port switch with the SFP port switch by transferring the copper network to a fiber network and extending the transmission distance of the copper network system at speeds of 1Gbps. Media converters are widely used in structured cabling systems to interconnect fiber optic cabling systems with existing copper cables. 

     

    The fiber optic media converter is compatible with a wide range of 1G SFP transceivers, including 1000BASE-SX/LX, BiDi SFP, CWDM SFP, etc. All of the optical transceivers are available at QSFPTEK.

     

    Ports

    1 x Gigabit SFP Port
    1 x 10/100/1000M RJ45 Port (Auto MDI/MDIX)

    Standards and Protocols

    IEEE 802.3, IEEE 802.3u, IEEE 802.3ab,IEEE 802.3z, IEEE 802.3x

    Cable Type (Fiber)

    Multimode 50/125µm, 62.5/125µm
    Single-mode 9/125µm

    Cable Type (Copper)

    UTP Cat 5, 5e, 6 Cable (Maximum 100m)
    EIA/TIA-568 100Ω STP (Maximum 100m)

    LED Indicators

    TP/LNK,1000M, FX/LNK, PWR

    DIP Switch

    LFP/ ALS/ FX Speed/FX Reset

    Power Consumption

    Full-load<3W

    Jumbo Frame

    12k

    Operation Mode

    10/100Mbps for Half/Full duplex
    1000Mbps for Full Duplex

    Dimensions (HxWxD)

    0.79''x2.36''x3.54'' (20x60x90mm)

    MTBF (hrs)

    >50,000Hrs

    Latency

    1us

    Operating Temperature

    0°C to 50°C

    Input Power

    DC 5-12V

    Relative Humidity

    5%~90% (Non-condensation)

    Warranty

    1 year

     

    Quality Testing Program
    Optical Transceivers Testing

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

    Quality Certifications

    Applications

    Scenario 1:

    Scenario 1:

     

    Scenario 2:

    Scenario 2:

    Product details

    Flexible signal extension and conversion

     

    By utilizing media converters and fiber optic cables, the link can be extended to longer distances, allowing for the migration of the network to fiber while leveraging the existing copper cable infrastructure.

     

     

    Easy and Efficient Operation

     

    Hot-swappable design, plug-and-play. Easy to install and troubleshoot, no additional configuration is required for connectivity.

     

     

    LFP Rapid Alarm Link Failure

     

    LFP (Link Fault Pass-through) functionality enables quick detection of failed links within a short timeframe, minimizing potential losses caused by link failures.

     

     

    Questions & Answers

    • ALL (2)

    Customer Reviews

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    • ALL (23)
    • Premium Service (3)
    • Customer Support (1)
    • Excellent Quality (3)
    • Good Price (6)
    • Good Packaging (2)
    • Plug-and-Play (5)
    • High Reliability (6)
    • After-sales (1)
    • Fast Delivery (5)
    • High Performance (3)
    • Jeremy United States of America
      2025-07-11

      It is used to extend the transmission distance of Ethernet cables. It is very practical. They also have tutorials on youtube to easily extend the transmission distance.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Brad United States of America
      2025-06-13

      An excellent media converter, plug and play, stable transmission. Now I can deploy my devices anywhere without being affected by the transmission distance.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Alexander Morton United States of America
      2023-07-20

      QSFPTEK consistently surpasses my expectations. Their products have proven to be reliable and efficient for both my personal and professional projects, and I haven't encountered a single failure in the two years I've been using them.

      Models1XRJ45 to 1xSFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Amy me United States of America
      2023-04-21

      The device is also built with durable materials and features LED indicators for easy monitoring.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Norman T United States of America
      2023-04-21

      I was impressed with the QSFPTEK gigabit ethernet media converter. It was easy to install and set up, and provided a reliable connection between my fiber optic network and ethernet devices.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Xalbador United States of America
      2023-03-31

      All the goods deliveryed on time in good package. The instruction manual is really helpful and I install the eauipment by myself easliy. A very satisfying shopping.

      Accessory Models1x 1G RJ45 to 1x 1G SFP

      Accessory SeriesFHD Series

      Verified Purchase

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      0

    • Zachary United States of America
      2023-03-31

      The Mini Unmanaged Converter is a simple and reliable device that efficiently converts signals from one format to another. Its compact design and ease of use make it a great choice for those who need a basic signal conversion solution.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Thomas United States of America
      2023-03-31

      Yes I have received all products. I have made use of them. Plug and play, no issues. I have had no issues this everything is working.I will be re-odering and adding these to my inventory

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Theobald Petty United States of America
      2023-03-28

      I've noticed a significant improvement in my network performance since using this product. The build quality is also impressive, it feels sturdy and well-made.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

    • Kerwin Boswell United States of America
      2023-03-28

      I recently purchased this media converter for my home office and it has exceeded my expectations. The installation process was quick and easy, and the signal quality is fantastic.

      Models1x 1G RJ45 to 1x 1G SFP

      SeriesMini Unmanaged Converter

      Verified Purchase

      Helpful

      0

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    • PDF Document
      QT-UMC-400A.pdf
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    QT-UMC-400A, 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP Slot Gigabit Ethernet Mini Unmanaged Media Converter, DC 5~12V

    Series Mini Unmanaged Converter

    Models 1x 1G RJ45 to 1x 1G SFP

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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!

    Verified Purchase

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    QT-UMC-400A, 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP Slot Gigabit Ethernet Mini Unmanaged Media Converter, DC 5~12V
    US$ 50.90
    Series
    Mini Unmanaged Converter
    Models
    1x 1G RJ45 to 1x 1G SFP
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    Bulk Order Quotes
    QT-UMC-400A, 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP Slot Gigabit Ethernet Mini Unmanaged Media Converter, DC 5~12V

    Series Mini Unmanaged Converter

    Models 1x 1G RJ45 to 1x 1G SFP

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