UPort 1150

1-port RS-232/422/485 USB-to-serial converters

Product Features

  • Compatible with USB 2.0
  • 12 Mbps USB data rate
  • 921.6 kbps maximum baudrate for super fast data transmission
  • Drivers provided for Windows, WinCE, and Linux
  • Mini DB9 female to terminal block adapter for easy wiring
  • LEDs for indicating USB and TxD/RxD activity
  • 2 kV electrical isolation (UPort 1130I and 1150I)

The UPort™ 1150/1150I USB to serial converter, allow you to connect 1 RS-232 / 422 / 485 device to your laptop or workstation through the USB (Universal Serial Bus) port. These plug & play USB solutions are compatible with both new and legacy RS-232 / 422 / 485 devices, and are perfect for mobile, instrumentation, and point-of sale applications. For connecting to a RS-232 port, you have the 9 pin “D” type connector, whereas when you connect to a RS-422 / 485 devices, the Mini DB9F-to-TB available for screw fitting the wires.


  • UPort 1100 Series Datasheet


  • UPort 1100 Series Quick Installation Guide
  • UPort 1100 Series User's Manual

Technical Notes

  • The_Secrets_of_Flow_Control_in_Serial_Communication
  • The_Secrets_of_RS-485_Half_Duplex_Communication
  • The_Secrets_of_UART_FIFO


USB Interface
Speed 12 Mbps
USB Connector USB Type A
USB Standards USB 1.0/1.1 compliant, USB 2.0 compatible
Serial Interface
No. of Ports 1
Connector DB9 male
Baudrate 50 bps to 921.6 kbps
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control None, RTS/CTS, XON/XOFF
Isolation NA
Serial Standards RS-232, RS-422, RS-485
Serial Signals
Serial Signal – RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
Serial Signal – RS-422 Tx+, Tx-, Rx+, Rx-, GND
Serial Signal – RS-485 (4 wire) Tx+, Tx-, Rx+, Rx-, GND
Serial Signal – RS-485 (2 wire) Data +, Data -, GND
Power Parameters
Input Voltage 5 VDC
Input Current 77 mA @ 5 VDC
Physical Characteristics
Housing ABS + Polycarbonate
Dimensions 37.5 x 20.5 x 60 mm (1.48 x 0.81 x 2.36 in)
Weight Packaged:       200 g (0.44 lb) Product only :  65 g (0.14 lb)

Ordering info

Available Models

Model No.Model Description
UPort 11501-port RS-232/422/485 USB-to-serial converter
UPort 1150I1-port RS-232/422/485 USB-to-serial converter with optical isolation protection

Optional Accessories

Model No.Model Description
DK35ADIN-Rail Mounting Kit (35 mm)
Mini DB9F-to-TB DB9 Female to Terminal Block connector
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