usb serial adapter from $19.95 only at serial adapter source www.USBGear.com
1x 422/485 USB 476
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1x 422/485 USB

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Product/Description
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USB to RS-422 Adapter W/Terminal Block Changer (FTDI CHIP)
Features :

USB to RS-422 Adapter W/Terminal Block Changer
USB to RS-422 adapter provides an extra Serial Com port via USB connection and can be configured to work with RS-422 peripherals such as POS an...
Part No. USB-RS422-AT | View Details

$19.89
USB to serial RS422/485 single port converter DB9 male connector
Features :

USB-COMi

Industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. With RS-485 the data direction is controlled by the port, without further actio...
Part No. USB-COMi | View Details

$44.95
USB 2.0 to single port serial adapter with DB9 male RS-422/RS-485
Features :

RS422/485 DB9 male ports Speed up to 921.6kbps NO external power supply needed, powers from USB Port. VScom USB-COM-I Industrial serial ports on USB connect RS-422 and RS485 devices, used in indust...
Part No. USB-COM-I | View Details

$49.89
1-Port USB to RS-232 Selectable RS-422 or RS-485 Industrial Adapter
Features :

1 Port Metal Industrial USB to RS422/RS485 Serial Adapter, USB to RS-232/422/485 Adapter USB-to-Industrial Adapter

  • Metal case with DIN-Rail
  • External DIP switch to selec...
    Part No. USB-COMi-M | View Details
$54.89
USB to Serial Surge and Optical Isolation converter with a DB9 connector. (RS-422/RS-485)
Features :

Surge protection and optical isolation RS 422/485 DB9 male ports Speed up to 921.6kbps no external power supply Supports Windows 7 and Vista (32 and 64-Bit) Overview Isolated industrial serial port...
Part No. USB-COMi-SI | View Details

$64.89
USB to RS-422/485 DB9 Adapter Optical Isolation & Surge Protection
Features :

USB-COMi-SI:
USB to single serial port converter with a DB9 (9-pin male) connector. (RS-422/RS-485)
Comes with a USB cable.

This model supplies Optical Isolation & Surge...
Part No. USB-COM-I-SI | View Details

$69.89
USB-COMi-SI-M USB-to-Optical isolated RS-422/485 Industrial Adapter
Features :


USB-to-Industrial Adapter

Optical isolation & surge protection

USB to 422/485 Adapter

  • Metal case with DIN-Rail
  • External DIP switch to se...
    Part No. USB-COMi-SI-M | View Details
$89.78

usb serial adapter from $19.95 only at serial adapter source www.USBGear.com