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Product Data Sheets (pdf)...Industrial DIN Rail Converter, Repeaters, and Fiber Driver


Product Data Sheets (pdf)...Modem 32144


Product Data Sheets (pdf)...PS/2 Style Keyboard Switches with VGA


Product Data Sheets (pdf)...U.S. Robotics 56K V.90 and V.92 Data Faxmodems


Product Data Sheets (pdf)...Async RS-232 to RS-422 Interface Converters


Product Data Sheets (pdf)...Relay/Digital I/O Cards, PCI


Black Box Explains…Fiber Ethernet adapters vs. media converters.

When running fiber to the desktop, you have two choices for making the connection from the fiber to a PC: a fiber Ethernet adapter or a media converter like our... more/see it nowMicro Mini Media Converter.

Fiber Ethernet adapters:

  • Less expensive.
  • Create no desktop clutter, but the PC must be opened.
  • Powered from the PC—require no separate power provision.
  • Require an open PCI or PCI-E slot in the PC.
  • Can create driver issues that must be resolved.
  • May be required in high-security installations that require a 100% fiber link to the desktop.

  • Media converters:
  • More expensive.
  • No need to open the PC but can create a cluttered look.
  • Powered from an AC outlet or a PC’s USB port.
  • Don’t require an open slot in the PC.
  • Plug-and-play installation—totally transparent to data, so there are no driver problems; install in seconds.
  • The short copper link from media converter to PC may be a security vulnerability.
  • collapse


    Black Box Explains... Basic Printer Switches

    Mechanical—A mechanical switch is operated by a knob or by push buttons and uses a set of copper or gold-plated copper contacts to make a connection. The internal resistance created... more/see it nowby this type of connection will affect your signal’s transmission distance and must be taken into account when calculating cable lengths.

    Electronic—Although electronic switches are controlled by knobs and pushbuttons like mechanical switches, the switching is accomplished with electronic gates not mechanical contacts. Electronic switches don’t have the internal resistance of a mechanical switch—some even have the ability to drive signals for longer distances. And since they don’t generate electronic spikes like mechanical switches, they’re safe for sensitive components such as HP® laser printers. Some electronic switches can be operated remotely. collapse


    Black Box Explains...Benefits of T1 and E1.

    If you manage a heavy-traffic data network and you demand high bandwidth for high speeds, Black Box has what you need to send your data digitally over super-fast T1 or... more/see it nowE1 communication lines.

    Both T1 and E1 are foundations of global voice communication.
    Developed more than 30 years ago and commercially available since 1983, T1 and E1 go virtually anywhere phone lines go, but faster.

    T1 sends data up to 1.544 Mbps. E1 supports speeds to 2.048 Mbps. No matter where you need to connect—North, South, or Central America, Europe, or the Pacific Rim—T1 and E1 can get your data there—fast!

    Both services provide flexibility for a multitude of applications.
    Whether you need to drive a private, point-to-point line or a high-speed circuit; provide corporate access to the Internet or inbound access to your own webserver; or support a voice/data/fax/video WAN that extends halfway around the world, T1 or E1 can make the connection.

    Both offer cost-effective connections.
    In recent years, competition among telco service providers has led to increasingly more affordable prices for T1 and E1 services. In fact, most companies seriously considering a shift to T1 or E1 find they can negotiate even better rates with just a little comparative cost analysis.

    Typical applications:
    • Trunking of V.90 and ISDN remote connection to a central location.
    • Accessing public Frame Relay networks for voice, fax, and data.
    • Merging voice and data traffic. A single T1 or E1 line can give you several additional voice and data lines at no additional cost.
    • Making LAN connections. If you’re linking LANs, a T1 or E1 line offers excellent performance.
    • Sending bandwidth-intensive data such as CAD/CAM, MRI, CAT-scan images, and other graphics with large files. collapse

    • Manual... 
    • Industrial Opto-Isolated RS-232 Repeater Manual
      Manual for the ICD201A
     
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