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Share one device with up to eight terminals.

Price: $372.65

Sold As is with no warranty.

Product Features

  • Enables up to eight terminals to share one modem, multiplexor, or DDS circuit.
  • Supports sync data rates up to 38.4 kbps.
  • Details

  • Works with dialup and leased-line modems.

  • Connect up to eight terminals to one modem or computer port with these Multiport Modem Sharing Devices. You can connect up to two devices with the 2-port version and up to eight devices with the 8-port version. They're compatible with dialup and leased-line modems.

    Each unit includes port enable/disable switches, activity indicators, master port DCE/DTE selection switch, and three clock options: master port, internal clock, or external from port 1. For systems with more than eight DTEs, cascade Multiple Modem Sharing Devices to provide access to a master-port device.

    Tech Specs

    Line Type Point-to-point or multipoint
    Operation Half- or full-duplex
    Speed Async: 33821: Up to 115.2 kbps; 32457: Up to 38.4 kbps;
    Sync: Internal: Up to 38.4 kbps; External: Up to 64 kbps
    Interface Subchannels: RS-232, DCE;
    Master Port: RS-232, DTE/DCE
    Connectors 33821: (3) DB25 F;
    32457: (9) DB25 F
    Power 115 VAC, 60 Hz
    Dimensions 33821: 1.7"H x 10"W x 6.5"D (4.3 x 25.4 x 16.5 cm);
    32457: 1.9"H x 12.8"W x 9.5"D (4.8 x 32.5 x 24.1 cm)

    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.


    Double Diamond Warranty Sold As is with no 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.

    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.