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MD940A-F

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Fiber Driver, ST to DB25 Female  

Send RS-232 data across interference-free optical links with these high-performance drivers.

MD940A-F

Extended Double Diamond™ Warranty Available
(3 Additional Year)

Product Highlights

  • Powered to ensure continuous, reliable transmission over fiber.
  • Send RS-232 data from serial devices to a server over fiber cable.
  • Transmit data at up to 76.8 kbps.
  • Reach distances of 2.5 miles (4 km) at any speed.


  • Description

    Fiber Driver, ST to DB25 Female


    Quick Facts

  • Powered to ensure continuous, reliable transmission over fiber.
  • Send RS-232 data from serial devices to a server over fiber cable.
  • Transmit data at up to 76.8 kbps.
  • Reach distances of 2.5 miles (4 km) at any speed.

  • Further Details

  • Autosensing 110–220-VAC power supply ensures reliability and continuous transmission.
  • A range select feature compensates for coupled power variations.
  • Switch-selectable DTE/DCE option. Set to perform like a DTE so it can communicate with another DCE device. No special cables are needed.
  • Support RS-232 async, bidirectional transmission.
  • Use with multimode fiber cable.


  • Technical Specifications for Fiber Driver, ST to DB25 Female:

    Approvals CE
    Data Format Asynchronous, bidirectional
    Data Rate Transparent up to 76.8 kbps
    Distance Dependent on type of multimode cable, power budget, and loss/km; preset ranges
    Fiber Cable 850-nm multimode
    Flow Control X-ON/X-OFF
    Operation Full-duplex
    Interface RS-232 (DCE or DTE switch selectable)
    Connectors (2) ST®; (1) DB25 M or F
    Power 5 VDC @ 600 mA;
    External: 110-220 VAC, 50-60 Hz, autosensing
    Dimensions 1"H x 2.7"W x 4.2"D (2.5 x 6.9 x 10.7 cm)
    Weight 1.4 lb. (0.6 kg)

    This product works with:
  • Multimode Distribution-Style, Fiber Optic Bulk Cable, Plenum, Custom Lengths, 12-Fiber (EXP3012A or EXP35012A)
  • Premium Ceramic, Multimode, 62.5-Micron Fiber Optic Patch Cables, ST–ST (EFN110 or EFP110)
  • Standard RS-232 Low-Noise Cable, 25-Conductor (ECM25T-0010).
  • Questions? Contact our FREE Tech Support.

    NOTE: 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.


    Resources for Fiber Driver, ST to DB25 Female:


    Connect your Fiber Driver, ST to DB25 Female with:

    Double Diamond Warranty

    Standard Manufacturer's Warranty


    A warranty is included.

    Extended 1 Year Warranty Available


    Protect your purchase with an additional 1 Year Double Diamond™ warranty!
    Cost: $20.90

    Extended 3 Year Warranty Available


    Protect your purchase with an additional 3 Year Double Diamond™ warranty!
    Cost: $41.79

    Diamond

    Double Diamond™ Warranty (Standard)

    Coverage:

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


    The Double Diamond Warranty is our no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    Most of our products come with a one- or two-year warranty. Some products—such as copper cables, manual switches, cabinets, and racks—are even guaranteed for life!

    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.

    * Certain products may not be eligible.

    Warranty Compared

    Black Box® Double Diamond™ Warranty The Competition
    Warranty Length One Year to Lifetime, Depending on the Product. Read the fine print.
    Guaranteed for Life! Black Box® Brand Copper Cables, Manual Switches and More! No.
    Accidental Damage 100% Covered! No.
    Water Damage 100% Covered! No.
    Power Surges 100% Covered! No.
    Warranty Replacements No Questions Asked! ?
    Tech Support Hotline 100% FREE! $$$

    What’s more, we also have a 45-day, no-questions-asked 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.

    Product SKU Price Quantity
    ST to DB25 Male Fiber Driver MD940A-M $214.95
     
    You can find this product in the following subcategory(s)
     

    Add to Cart

    Price: $214.95

    Quantity Available: 29

    Quantity

    Warranty

    Total

    Shipping Info

    In Stock - orders received before 5PM ET ship same day

    Weight: 0.875 lbs.
    HxWxD: 3.25 x 4.25 x 9.6 in.

    What’s more, we also have a 45-day, no-questions-asked 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.


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