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4x 422/485 USB


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USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
4 optically isolated and surge protected terminal block ports, The USB2-4COMi-SI-TB is a USB 2 to 4-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD.
Part No. USB2-4COMi-SI-TB | View Details
$189.95
4-Port DB-9 Male Isolated USB to RS422 RS485 Serial Adapter
4-Port RS232 / RS422 / RS485 Isolated Adapter, The CM-422485-i4 Isolated USB to 4-Port serial interface adapter features 2.5kV isolation to ensure 4 serial devices by DB-9 port connected.
Part No. CM-422485-i4 | View Details
$199.99
USB-8COMi-M USB to 8X DB-9 Port RS-422/485 Metal case with DIN-Rail
USB-8COMi-M USB to RS-422/485 Adapter connectivity through a Single USB adding up to eight serial port converters with DB9 (9-pin male) connectors, metal housing. (RS-422/RS-485)
Part No. USB-8COMi-M | View Details
$249.78
USB-4COMi-M USB to Quad RS-422/485 Metal case with DIN-Rail
USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item.
Part No. USB-4COMi-M | View Details
$149.78
USB USB 2.0 Serial high speed adapter box industrial 8-port RS-232 FTDI
The USB2-8COM-M USB Octal Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Quad Serial Adapter instantly adds eight RS-232 serial communication ports to your system.
Part No. USB2-8COM-M | View Details
$169.98
USB 8 Port Serial DB-9 RS-232 Adapter Box with Prolific Chipset

Plugging the USB Serial Adapter into the USB port, the adapter is automatically detected and installed. 

Supports Windows 7 and Vista (32 and 64-Bit)

There is no IRQ & ...

Part No. USBG-8X-RS232 | View Details
$144.13
USB-4COMi-SI-M USB to Quad RS-422/485 Metal case with DIN-Rail
Optical isolated Quad RS-422/485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds four RS-422, or RS-485 serial communication ports to your system.
Part No. USB-4COMi-SI-M | View Details
$294.78
USB to Quad Opto-isolated RS-422/485 Adapter

l USB to Quad Opto-isolated RS-422/485 Adapter

  • with optical isolation (2000V) (USB-4COMi-SI)
  • with surge protection (25KV ESD)of all signal lines to prevent interference...
Part No. USB-4COMi-SI | View Details
$279.98
USB to four serial port converter with DB9 (9-pin male) connectors. RS-422/RS-485
USB-4COMi l Adds four high speed RS-422 ports via USB connection l 384 byte receive buffer l 128 byte transmit buffer for high data throughput l Data rates: 300 bps to 2...
Part No. USB-4COM-I | View Details
$139.98
8-Port X DB-9 RS-232 USB Serial Adapter Data Control Box Eight Port Serial
Professional USB to 8 port serial adapter control box supporting 8 DB9 Male connections is designed for serial port expansion via you host USB bus connections. Installs as a Windows COM port with full RS232 signal.
Part No. 8XDB9-USB | View Details
$159.98