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9-pin Female to 9-pin Terminal Block Adapters


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Item code: USB-COMi-PLUS

This USB Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, this USB Serial Adapter instantly adds a RS232/RS422/RS485 serial communication port to your system with easy plug-and-play and hot-plug features.

Plugging the USB Serial Adapter into the USB port, the adapter is automatically detected and installed. There is no IRQ & COM port conflicts, since the port doesn't require any additional IRQ, DMA or memory on the system. The RS-232/422/485 serial port functions as a native Windows COM port, and it is compatible with Windows serial communication applications.

This USB Serial Adapter provides instant connectivity to any RS232, RS-422 or RS-485 communication device.

Specifications & Features:

  • Adds one RS-232, RS-422 or RS-485 serial port by connecting to a USB port
  • One DB9 male connector
  • No need to open chassis to set operation modes- upper case can be sliding open for easy RS-232, RS-422, RS-485 mode settings
  • Installed as standard Windows COM port
  • Full RS-232 modem control signals and hardware/software flow control
  • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
  • 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 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-232/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
  • Dimensions: 3 1/4 x 1 1/2 x 7/8 inches
  • Cable Length: Approximately 3 feet
  • 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.

Free Shipping within the 48 continental USA states! (Online orders only)


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We stand behind our product If you need any assistance, you can call us toll-free for the life of the product for free assistance at 1-800-274-7897 (USA & Canada only), or +1-865-988-7906 for those in other areas.

Product comes with a 1 year warranty, and a 30-day money back guarantee with no restocking fee.



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In Stock!

Orders placed by 4:00 pm Eastern time M-F will ship the same day.

Quantity Discounts
QuantityPrice
1+$46.50
3+$43.00
10+$42.00
50+$41.00
100+$40.00

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