UPort 1450

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

Product Features

  • Drivers provided for Windows/WinCE/Linux
  • Choose bus power or external power (UPort 1410/1450 only)
  • Locking power jack
  • Supports fixed-base COM Utility for setting the initial extended COM port number
  • Hi-Speed USB 2.0 for up to 480 Mbps USB transmission
  • 921.6 kbps maximum baudrate for super fast data transmission
  • 15N high retention USB Type B connector
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • 2 kV electrical isolation (UPort 1450I only)
  • Hassle-free COM port retention

The UPort® 1400 USB-to-serial converters allow you to connect 4 RS-232 or RS-232/422/485 devices to your laptop or workstation through the USB (Universal Serial Bus) port. The UPort® 1400 converters are compatible with new and legacy serial devices, and are perfect for mobile, instrumentation, and point-of-sale applications.


  • UPort 1400 Series Datasheet


  • UPort 1200/1400/1600 Quick Installation Guide
  • UPort 1200/1400/1600 User Manual

Technical Notes

  • The_Secrets_of_Flow_Control_in_Serial_Communication
  • The_Secrets_of_RS-485_Half_Duplex_Communication
  • The_Secrets_of_UART_FIFO

Ordering info

Available Models

Model No.Model Description
UPort 1450USB to 4-port RS-232/422/485 Serial Hub
UPort 1450IUSB to 4-port RS-232/422/485 Serial Hub with 2 KV isolation

Optional Accessories

Model No.Model Description
DK35ADIN-Rail Mounting Kit (35 mm)
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