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ME840A-S

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Short-Haul Modem–FSK (SHM–FSK), Slave  

Extend communications over a single pair—even in the noisiest environments!

ME840A-S

Extended Double Diamond™ Warranty Available
(3 Additional Year)

Product Highlights

  • Extreme tolerance to EMI/RFI! Frequency Shift Carrier operates above most industrial noise.
  • Totally transparent to data.
  • Transmits full-duplex up to 3.8 miles (6.1 km) at speeds up to 9600 bps.


  • Description

    Short-Haul Modem–FSK (SHM-FSK), Slave


    Quick Facts

  • Extreme tolerance to EMI/RFI! Frequency Shift Carrier operates above most industrial noise.
  • Totally transparent to data.
  • Transmits full-duplex up to 3.8 miles (6.1 km) at speeds up to 9600 bps.

  • Further Details

  • Point-to-point and multipoint operation.
  • Optional RS-485 and RS-422 modules available (see "Related Products" in previous window).

    If your industrial work environment is noisy, you can squelch the interference with the BLACK BOX® Short-Haul Modem–FSK (SHM–FSK).

    Transmit RS-232 data reliably in factory or other EMI/RFI-heavy areas with the BLACK BOX® Short-Haul Modem–FSK (SHM–FSK).

    This short-haul modem features Frequency Shift-Key operation, which provides high immunity to noise and interference, and it’s transparent to data and protocol. Adjust your SHM-FSK to changing line conditions. Modulate between 100 and 156.5 KHz to send signals above harsh industrial noise.

    The SHM–FSK also transmits farther than most short-haul modems—up to 3.8 miles (6.1 km) either half-or full-duplex at 9600 bps.

    For interfacing with 2-wire RS-485 or 4-wire RS-422 lines, order one of the optional modules available (see "Related Products" in previous screen).

    This product works with:
  • 2-Wire RS-485 Module (MD3317)
  • 4-Wire RS-422 Module (MD3318)
  • Standard RS-232 Low-Noise Cable, 25-Conductor, Male/Male (ECM25T, ECM25C)
  • AT Modem Cable, Premium, DB9 Female/DB25 Male, 9-Conductor, 24 AWG (EVMTBMC, EVMBMC)
  • Questions? Contact our FREE Tech Support.


    Technical Specifications for Short-Haul Modem–FSK (SHM–FSK), Slave:

    Distance (Maximum) Full-duplex and half-duplex: 3.8 mi. (6.1 km) over 22 AWG
    Line Type One twisted pair
    Speed (Maximum) 9600 bps
    Operation 2-wire full- or half-duplex; point-to-point or multipoint, up to 10 slaves
    Protocol Asynchronous
    Interface RS-232; optional RS-485 and RS-422 modules are also available
    Connectors (1) DB25 F, (1) 2-screw terminal block
    Power 115-VAC/24-VDC wall transformer supplied, 9 watts
    Size 1.8"H x 7.5"W x 10.5"D (4.6 x 19.1 x 26.7 cm)
    This product works with:
  • 2-Wire RS-485 Module (MD3317)
  • 4-Wire RS-422 Module (MD3318)
  • Standard RS-232 Low-Noise Cable, 25-Conductor, Male/Male (ECM25T, ECM25C)
  • AT Modem Cable, Premium, DB9 Female/DB25 Male, 9-Conductor, 24 AWG (EVMTBMC, EVMBMC)
  • 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 Short-Haul Modem–FSK (SHM–FSK), Slave:


    Connect your Short-Haul Modem–FSK (SHM–FSK), Slave 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: $81.40

    Extended 3 Year Warranty Available


    Protect your purchase with an additional 3 Year Double Diamond™ warranty!
    Cost: $162.79

    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.

    You can find this product in the following subcategory(s)
     

    Add to Cart

    Price: $813.95

    Quantity Available: 0

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    Warranty

    Total

    Shipping Info

    Weight: 6.1 lbs.
    HxWxD: 4.5 x 14 x 16 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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