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Ethernet Twisted-Pair-to-Fiber Converter, 12-Port

The affordable fiber-to-the-desktop solution.


Please call 877-877-2269 for a replacement product or part.
1 YEAR DoubleDiamond™ Warranty (Standard)

Product Features

  • Easy plug-and-play operation.


  • Mini single-port converter enables you to take a fiber connection straight to an RJ-45 connection—perfect for a 10BASE-T NIC in a desktop computer.
  • 12-port converter provides high-density conversion for your wiring closet.
  • IEEE 802.3 standards compliant for 10BASE-T and 10BASE-FL.
  • Supports half- or full-duplex operation.

    Run fiber cable without replacing existing 10BASE-T hubs, switches, and NICs. You gain all the advantages of fiber cabling while preserving your investment in Ethernet components. The converters are fully 10BASE-T/10BASE-FL compatible and require no network reconfiguration for installation.

  • Tech Specs

    CE Approval Yes
    Connectors (12) RJ-45, (12) ST
    Distance 10BASE-T: 100 m (328 ft.); 10BASE-FL: 2 km (1.24 mi.)
    Indicators (1) Power; Fiber optic: (1) Link, (1) Receive
    Power 115 VAC/230 VAC, 50/60 Hz
    Size 1.7"H x 19"W x 8.5"D (4.3 x 48.3 x 21.6 cm)
    Weight 5 lb. (2.3 kg)

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The Ethernet Twisted-Pair-to-Fiber Converter, 12-Port comes with a standard 1 YEAR warranty already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.