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    BLACKBOX-IC1020A 2-Port USB Hub, RS-232/RS-422/RS-485 2埠USB 1.1轉RS-232/RS-422/RS-485轉換器
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    商品編號: BLACKBOX-IC1020A

    BLACKBOX-IC1020A 2-Port USB Hub, RS-232/RS-422/RS-485 2埠USB 1.1轉RS-232/RS-422/RS-485轉換器

    Connect your non-USB peripherals to your USB bus!

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    ★★★★商品說明★★★★

    Description

    2-Port USB Hub, RS-232/RS-422/RS-485


    Quick Facts

  3. Use an external USB connection to get the extra COM ports you need.
  4. Make serial connections easy by putting your peripherals on your PC’s USB bus!
  5. No more internal serial adapters! Keep your serial peripheral connections on your PC’s exterior.
  6. Plug-and-play.

    7. 　

    Further Details

    This product works with:
    • DIN Rail Mounting Kits (DR110 etc)
    • DB9 Extension Cable (with EMI/RFI Hoods) (EDN12H)
    • Universal Serial Bus (USB) Cable (USB01)
    Questions? Contact our FREE Tech Support.

    What’s included:
    　
  7. CD that includes user’s manual plus software for setup in Windows 98, Windows Me, Windows 2000, and Windows XP
  8. (1) 6-ft. (1.8-m) USB cable
    This product works with:
    • DIN Rail Mounting Kits (DR110 etc)
    • DB9 Extension Cable (with EMI/RFI Hoods) (EDN12H)
    • Universal Serial Bus (USB) Cable (USB01)
    Questions? Contact our FREE Tech Support.

    9. Technical Specifications for 2-Port USB Hub, RS-232/RS-422/RS-485:

    Communication Chip — High-speed, USB-to-serial interface (128-byte FIFO transmit, 384-byte FIFO receive)
    Distance (Maximum) — RS-232: 50 ft. (15.2 m);
    RS-422/RS-485: 4000 ft. (1219.2 m)
    Operating Environment — Temperature: 32 to 158º F (0 to 70º C);
    Humidity: 10 to 90% noncondensing
    Speed (Maximum) — RS-232: 460.8 kbps;
    RS-422/RS-485: 921 kbps
    CE Approval — Yes
    Connectors — Serial: (2), (4), or (8) DB9 M;
    USB: (1) Type B F
    Power — From the USB bus (as long as the device is connected directly to a powered PC or hub)


    ★★★★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.