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    BLACKBOX-SW213A USB 2.0 Share Switch, 4-Port 4-Port USB手動切換器
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    商品編號: BLACKBOX-SW213A

    BLACKBOX-SW213A USB 2.0 Share Switch, 4-Port 4-Port USB手動切換器

    Four users can easily share a USB peripheral.

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    ★★★★商品說明★★★★

    Description

    USB 2.0 Share Switch, 4-Port


    Quick Facts

  3. Four computer users can share a USB printer, scanner, or other peripheral.
  4. Add a USB hub, and two or four users can share multiple USB peripherals.
  5. Easy installation with plug-and-play convenience.
  6. Switch between computers by pushing
    a hotkey.

    7. 　

    Further Details

  7. A glance at the LEDs tells you which computers are active.
  8. Compatible with PCs running Windows®.
  9. No power supply needed. The switches run off bus power.
  10. USB Version 2.0 compliant.

    This product works with:
    　
  11. USB Version 2.0 Cable, Type A–Type B (USB05)
  12. Remote Port USB (IC240A-R2)
  13. USB 2.0 Hubs (IC147A-R2)Questions? Call our FREE Tech Support.

    14. Technical Specifications for USB 2.0 Share Switch, 4-Port:

    Controls — Hotkey selection
    System Requirements — Software: Windows 98 SE/Me/XP and Windows 2000;
    Hardware: 233 MHz or higher processor
    Temperature — 14 to 185° F (-10 to +85° C)
    CE Approval — Yes
    Connectors — (4) USB Type B, (1) USB Type A
    Indicators — (4) LEDs
    Power — From the interface
    　
    This product works with:
    　
  14. USB Version 2.0 Cable, Type A–Type B (USB05)
  15. Remote Port USB (IC240A-R2)
  16. USB 2.0 Hubs (IC147A-R2)Questions? Call our FREE Tech Support.
    　
    17.


    ★★★★商品規格描述★★★★

    Black Box Explains...USB..

    The newest USB standard, USB 3.0 or “SuperSpeed USB”, provides vast improvements over USB 2.0. USB 3.0 promises speeds up to 4.8 Gbps, nearly ten times that of USB 2.0. USB 3.0 adds a physical bus running in parallel with the existing 2.0 bus. It has the flat USB Type A plug, but inside there is an extra set of connectors and the edge of the plug is blue instead of white. The Type B plug looks different with an extra set of connectors.

    The USB 3.0 cable contains nine wires, four more than USB 2.0, which has one pair for data and one pair for power. USB 3.0 adds two more data pairs, for a total of eight plus a ground. These extra pairs enable USB 3.0 to support bidirectional asynchronous, full-duplex data transfer instead of USB 2.0's half-duplex pollling method. USB 3.0 also provides 50% more power than USB 2.0 (150 mA vs 100 mA) to unconfigured devices and up to 80% more power (900 mA vs 500 mA) to configured devices. It also conserves power too compared to USB 2.0, which uses power when the cable isn’t being used.
    Black Box Explains...Connecting peripherals with USB..

    Before Universal Serial Bus (USB), adding peripherals required skill. You had to open your computer to install a card, set DIP switches, and make IRQ settings. Now you can connect digital joysticks, scanners, speakers, cameras, or PC telephones to your computer instantly. With USB, anyone can make the connection because everything is automatic!

    Because USB connections are hot-swappable, you can attach or remove peripherals without shutting down your computer. Also, USB hubs have additional ports that enable you to daisychain multiple devices together. More than 800 leading PC, peripheral, and software manufacturers support USB.