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Datacom > Data Sharing


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TL553A-R3

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RS-232 Data Sharer, 4-Port  

Cut expenses by connecting up to four RS-232 devices over one line.

TL553A-R3

Extended Double Diamond™ Warranty Available (3 Additional Year)

Product Highlights

  • With an RS-232 Data Sharer from Black Box, you can cut modem costs and leased-line charges by linking up to four RS-232 devices to one modem and phone line.
  • Use a single phone line and modem to share multiple RS-232 devices.
  • Transparent to data rates up to 64 kbps.
  • Run sync or async half- or full-duplex.
  • Works with popular IBM® communications protocols.
  • Also available in 2- and 8-port versions.


  • Further Details

    Reduce line costs in your RS-232 system by using a BLACK BOX® RS-232 Data Sharer to connect four devices to a single modem and phone line.

    The RS-232 Data Sharer features transparent operation up to 64 kbps and convenient LED monitoring. Front-panel switches enable and disable RTS on each input port.

    The Data Sharer features antistreaming circuitry to lock out any port the instant it begins to stream. On this 4-port model, hardware-prioritized scanning lets the most frequently used channels go first.

    The RS-232 Data Sharer is compatible with various popular IBM communications protocols, such as half-duplex Bisynchronous Communication and Synchronous Data Link Control (SDLC).

    This product works with:
  • Adapter Cable for IBM 3174/3274 Contoller (EHM002)
  • Standard RS-232 Low-Noise Cable (ECM25T, ECM25C)
  • CSU/DSU MS (MT132V-R2)
    Questions? Contact our FREE Tech Support.


  • Clock Source External (from DCE)
    Contention Type RTS/CTS
    Leads Supported 8, 15, 17, 20, 22

    Operation
    Full- or half-duplex
    Protocol Synchronous or asynchronous
    CE Approval Yes
    Interface RS-232 (master port DTE, slave ports DCE)
    Connectors (5) DB25 F
    Indicators (8): PWR, RTS A through RTS D, CD, CTS, RXD
    (
    Power 115 VAC, 60 Hz (230-VAC version on request)
    Size 2.9"H x 12.5"W x 11.1"D (7.4 x 31.8 x 28.2 cm)
    Weight 5 lb. (2.3 kg)
    This product works with:
  • Adapter Cable for IBM 3174/3274 Contoller (EHM002)
  • Standard RS-232 Low-Noise Cable (ECM25T, ECM25C)
  • CSU/DSU MS (MT132V-R2)
    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 1-800-316-7107.

  • Manuals

    • RS-232 Data Sharer, 2-Port (in Metal Case)
      Installation and User Guide (Jul-00)

    Product Data Sheets

    Application Diagrams

    Black Box Explains


    Double Diamond Warranty
    Extended Double Diamond™ Warranty Available (3 Additional Year)
    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 warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The RS-232 Data Sharer, 4-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.

    Product SKU Price Quantity
    RS-232 Data Sharer, 8-Port TL554A-R3 $924.10
     
    RS-232 Data Sharer, 2-Port (in Metal Case) TL601A-R2 $369.65
     
    You can find this product in the following subcategory(s)
     

    Add to Cart

    Price: $675.65

    On Back Order

    Quantity

    Warranty

    Total

    Shipping Info

    Weight: 9.4 lbs.
    HxWxD: 5.2 x 14.1 x 17.3 in.

    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.


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