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Home / USB Adapters / USB-8COMi-M USB to 8X DB-9 Port RS-422/485 Metal case with DIN-Rail

USB-8COMi-M USB to 8X DB-9 Port RS-422/485 Metal case with DIN-Rail

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Manufacturer: USBGEAR
Barcode: 729440690939
Part Number: USB-8COMi-M
Warranty: ONE YEAR
In Stock: Yes
Ship Weight: 2
COLOR Silver
Size: 3ft. Cable
Compatability: ITEM DESIGNED and Tested with SYSTEM

Item Works with Windows ME Item Works with Windows 2000 Item Works with Windows XP Item Works with MAC Operating System OS 9.1 or Higher Item Works with LINUX Operating System

Our Price: $239.78
Quantity Discount(s)
Quantity Discount: 12 + $235.66 24 + $229.99
We Accept Visa Master Card And American Express as Well as Purchase Orders!
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Product Description

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)


  • Adds eight RS-422 or RS-485 serial ports by connecting to a USB port
  • No need to open chassis to set operation modes- eight external DIP switches for easy RS-422, RS-485 mode settings
  • Installed as standard Windows COM port
  • SECC metal chassis with DIN rail bracket
  • 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 the baud rate up to 921.6K bps
  • Non-standard baudrates supported
  • LEDs of Power, TxD and RxD for easy port monitoring and diagnostics
  • Serial port protected with surge protection of 10KV
  • Self-powered. One switching terminal power adapter of 12V, 1A provided
  • Easy plug and play installation and RS-422/RS-485 device connection
  • COM port number assigned can be changed to any COM port number required
  • Works with USB 1.1 & 2.0 host port


  • Number of ports: 8 Speed: Up to 921.6 Kbpz RS422/485
  • FTDI Chipset
  • Power: External power supply 5V DC required. Adapter included, 12V not possible.
  • Drivers: Windows 10,8, 7, Vista 98, ME, 2000, XP, 2003 Server and Vista ,Win 7 (32/64 bit) Linux (Kernel 2.4 and up built-in)

Connectors: 8 DB9 Male

Dimensions: 1997 x 159 x 79 mm (W×L×H)

Product includes USB-8COMi-M unit, USB cable of approximately 3 feet, Power Adapter, CD with drivers and documentation.

USB-8COMi-M USB to 8 RS422/485 ports adapter Serial ports on USB allow further use of existing devices, even when the computer doesnt offer serial ports. The high speed serial port with the 128 byte FIFO allow high speed communication, even in heavy loaded systems. Unique features reduce the system load. The serial port also allows unusual speed settings like 500.000bps.


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 CE, FCC

Important Technical Information:
USB 8 port rs-422/485 Adapter with FTDI chip

usb serial adapter from $19.95 only at serial adapter source