Skip to main content
  • $249.99
  • Free 78-day Returns
  • Sold by Newegg

    Shipped by Newegg

    Price alert

    Best Sellers

    Hot Seller
    4.5 (9,028 total ratings)
    • $258.15
    Top Rated
    4 (3,725 total ratings)
    • $281.78
    • + FREE SHIPPING
    Shop it at NeweggBusiness.

    StarTech.com Gigabit Ethernet Copper-to-Fiber Media Converter - SM LC - 10 km - Ethernet Media Converter - GbE Converter

    • 20KM
    • 10km
    • Convert and extend a GbE connection up to 10 km (6.2 mi) using single-mode LC fiber cable
    • Gigabit Ethernet Copper-to-Fiber Media Converter SM LC 10 km
    • Ethernet Media Converter / GbE Converter / 1000Mbps Network Extender and Converter / Fiber to Copper
    • Supports standalone operation or install into ETCHS2U chassis
    • Cost-effective network extension up to 10km using fiber-optical cable
    • Includes a pre-installed GbE SFP transceiver
    • Rugged metal housing
    • Supports LFP / ALS / Jumbo Frames
    +
    +
    Overview
    Specs
    Reviews
    See all Q & A

    Any questions? Ask CelesteSM will help you find out quickly.

    Gigabit Ethernet Copper-to-Fiber Media Converter - SM LC - 10 km Convert and extend a Gigabit Ethernet connection up to 10 km (6.2 mi) using single-mode LC fiber cable.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 2 years
    • Limited Warranty period (labor): 2 years
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.
    LOADING...
    LOADING...

    The StarTech.com ET91000SM10 is a Gigabit Ethernet copper-to-fiber media converter for network teams extending a GbE connection up to 10 km over single-mode LC fiber.

    Recommended For

    • IT teams connecting a Gigabit Ethernet device in one building to a network in another, when the fiber route is within 10 km and uses compatible single-mode LC fiber.
    • Business, education, or government network installers extending a copper Ethernet connection over fiber where reducing exposure to electromagnetic interference is important.
    • Warehouse or factory IT staff linking a Gigabit Ethernet device across a long fiber run; the converter has a steel enclosure and supports standalone use.
    • Network administrators bridging an RJ45 Gigabit device to an existing fiber network, or adding a fiber link where Wi-Fi is unreliable or unavailable.

    Spec Summary

    AttributeValue
    Best ForExtending a Gigabit Ethernet connection over single-mode LC fiber for links up to 10 km
    Fiber Conversion And LinkCopper-to-fiber media conversion with a pre-installed GbE SFP transceiver; supports 1310 nm wavelength
    Network CompatibilitySupports TCP/IP and provides an optical interface
    PowerAC adapter included; 19.2 W maximum power consumption and 12 V voltage
    Installation And ConstructionOperates standalone or installs in an ETCHS2U chassis; surface-mountable metal housing
    Status IndicatorsIndicators for power, RPF, LFP, link, RJ45 link, and RJ45 full-duplex status
    Physical Specifications6.40 × 3.50 × 0.90 in; weighs 0.91 lb; black
    Package ContentsOne Gigabit Ethernet fiber media converter, universal power adapter, and instruction manual
    Model IdentifiersStarTech.com ET91000SM10