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Item code: USB-COMi-TB

1-Port RS-422/485 USB-to-Serial Adapter, 5-pin Terminal Block

Features

  • Adds one RS-422 or RS-485 serial port by connecting to a USB port
  • One 5-pin terminal block connector for easy wiring
  • No need to open chassis to set operation modes-upper case can be sliding open for easy RS-422, RS-485 mode settings
  • Installed as standard Windows COM port
  • RS-422 data signals: TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
  • RS-485 4-wire data signals: TxD-, TxD+, RxD+, RxD-
  • RS-485 2-wire data signals: Data-, Data+
  • Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
  • Built-in termination and biasing
  • High speed serial port with baud rate up to 921.6K bps
  • Non-standard baudrates supported
  • LEDs of Power, TxD and RxD for easy port monitoring and diagnostic
  • Serial port protected with surge protection of 10KV
  • Powered by USB port, no external power adapter required
  • Easy plug and play installation and RS-422/485 device connection
  • COM port number assigned can be changed to any COM port number required
  • Works with USB 1.1, 2.0 & 3.0 host port
  • Virtual COM port drivers provided for Windows 10, 8, 7, Vista, XP, ME, 98, Server 2012, Server 2008, Server 2003, CE.NET (version 4.2 and greater), or RT in 32-bit or 64-bit installations. Also supports Linux, MAC OS X, MAC OS 9, MAC OS 8, Android.
  • USB Bus
    Compliance USB 1.0/1.1 compliant, USB 2.0 compatible
    Speed 12 Mbps, full-speed USB
    FIFO 128 byte transmit FIFO
    384 receive FIFO
       
    Serial Interface
    Port Type RS-422/RS-485
    Number of Ports 1
    Connectors 5-pin terminal block
       
    Serial Line Protection
    ESD Protection 10KV
       
    Serial Port Speed
    Baudrate 300 bps to 921.6k bps
       
    Serial Communication Parameters
    Data Bits 5, 6, 7, 8
    Stop Bits 1, 1.5, 2
    Parity None, Even, Odd, Space, Mark
    Flow Control RTS/CTS, XON/XOFF
       
    Serial Signals
    RS-422 TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND
    RS-485-4 wire TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND
    RS-485-2 wire Data-(A), Data+(B), GND
       
    Driver Support
    OS Windows 7, Vista, 2003, XP (WHQL certified) and 2000
    Linux Kernel 2.4 and up built-in support
       
    Power Supply
    Input Bus-powered
    No external power adapter required
       
    Mechanical
    Chassis Plastic, ABS
       
    Environmental
    Operating Temperature 0 to 55 °C (32 to 131 °F)
    Operating Humidity 5 to 95% RH
    Storage Temperature -20 to 75 °C (-4 to 167 °F)
    Safety Approvals EN55022 Class B, EN55024, EN61000-3-2, EN61000-3
    IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5,
    IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11.
    CISPR PUB. 22 and FCC Part 15 Class B.

    Pinout information:

    RS-422 Terminal Block

        RS-422 Signal Pin-outs of Terminal Block

    Pin Signal
    1 TxD- (A)
    2 TxD+(B)
    3 RxD+(B)
    4 RxD-(A)
    5 GND
     
    RS-485 Terminal Block

       RS-485 4 Wire (Full duplex) Signal Pin-outs of Terminal Block

    Pin Signal
    1 TxD- (A)
    2 TxD+(B)
    3 RxD+(B)
    4 RxD-(A)
    5 GND
     

       RS-485 2 Wire (Half duplex) Signal Pin-outs of Terminal Block

    Pin Signal
    1 Data- (A)
    2 Data+(B)
    5 GND
     

    RS-422 Signal Wiring

        Point-to-Point 4 Wire Full Duplex

    USB-COMi-TB                                RS-422 Device

    RS-485 Signal Wiring

        Point-to-Point 4 Wire Full Duplex

    USB-COMi-TB                                RS-485 Device

        Multidrop RS-485 2-Wire Half-duplex

    USB-COMi-TB                                RS-485 Device



Quantity Desired:
 


In Stock!

Orders placed by 4:30 pm Eastern time M-F will ship the same day.

Quantity Discounts
QuantityPrice
1+$47.00
3+$45.00
10+$43.00
50+$42.00
100+$41.00

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