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Computer Cabling & Networking Solutions @ Everyday Low Prices!


 ITEM: >   USB-COMi-TB > $44.99

FTDI Hi-Speed USB to Serial RS-422/RS-485 Industrial Single Port Adapter for Windows



Color: Black/white Size\Length: 3ft Part No.USB-COMi-TB

The USB-COMi-TB USB-to-RS-422/485 Industrial Serial Adapter is designed to make industrial communication port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB-COMi-TB instantly adds an industrial communication port to your system. By taking advantage of the USB bus, the USB to RS422 or RS485 Industrial I/O Adapter makes it easier than ever to add RS-422 or RS-485 device to your system with easy plug-and-play and hot plug features. Adapting the new technology, the industrial I/O communication port expansion now takes the new bus with easy and convenient connectivity.

Plugging the USB-COMi-TB to the USB port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesn't require any additional IRQ, DMA, memory as resources on the system. The RS-422 /485 port functions as native Windows COM port, and it is compatible with Windows serial communication applications.

The USB Industrial I/O Adapter provides instant connectivity to RS-422/485 communication device for factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales , data entry terminals, PC to PC long distance communications and serial communication in harsh environments. The USB Industrial I/O provides industrial solution for applications requiring single node or multi-drop communications over short and long distance.

Specifications and Features

  • Adds a high speed RS-422 / 485 serial port via USB connection.
  • 384 byte receive buffer
  • 128 byte transmit buffer for high speed data throughput.
  • Requires no IRQ, DMA, I/O port.
  • Data rates: 300 bps to 1M bps.
  • Connector: one 5-pin terminal block
  • Auto transmit buffer control for 2-wire RS-485 half-duplex operation.
  • Termination resistors installed on-board.
  • RS-422 data signals: Tx-, Tx+, Rx+, Rx-, GND
  • RS-485 data signals: Tx-, Tx+, Rx+, Rx- (4 wire), and data-, data+ (2 wire).
  • Monitor LEDs of TxD, RxD indicating port status
  • Easy operating mode configuration and setting
  • Virtual COM port drivers provided for Windows 10, 8, 7, Vista, 2003, XP, 2000

Hardware Installation:

Inside the unit, there is one 3-pin DIP switch which is set to select the mode of operation. You will need to open up the upper case (by sliding the cover back) and set the switch settings to RS-422 mode, or RS-485 mode, as per the requirements of your application. After setting of switches, you then plug the adapter to USB port to start driver installation. The RS-422 & RS-485 Mode Block Configuration Settings are listed as follows.


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Compatibility:  ITEM DESIGNED and Tested with OPERATING SYSTEM
Platform: ITEM DESIGNED and Tested with SYSTEM ITEM DESIGNED FOR MAC OPERATING SYSTEM ITEM DESIGNED FOR WINDOWS OPERATING SYSTEM
Item Works with MAC Operating System OS 9.1 or Higher        Item Works with Windows XP     
ITEM DESIGNED FOR Windows OPERATING SYSTEM  ITEM DESIGNED FOR MAC OPERATING SYSTEM
TECH NOTES: Windows 10, 8, 7 and Vista Certified USB to Serial Adapter! 12" USB Serial RS-232 Cable for NoteBook/Laptop Users Great FTDI CHip USB to RS-232 Adaptor for GPS/PDA/POS/Modem/Etc.
Manufacturer: USBGEAR
Warranty: ONE YEAR
In-stock: Yes
PART NO: USB-COMi-TB
Size\Length: 3ft
Color: Black/white
Our Low Price $44.99    Quantity Discount: 5 + $42.00 36 + $41.00
Quantity:      ITEM AVAILABLE TO SHIP SAME DAY!   We Accept Visa Master Card And American Express as Well as Purchase Orders!
 Similar Products Available:
 USBG-232MINI...USB RS-232 Serial Adapter DB-9 Male works with all Windows and Mac..$18.95  
 USBG-232MM...6ft. Long USB RS-232 Serial Adapter DB-9 Male 32/64 bit VISTA / 7/ XP Certified..$19.13  

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