U0902A (USB2.0 9Pin Header to Dual RS232)

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Product Overview

U0902A (USB2.0 9pin Header to dual RS232)


The U0902A is a communication devices design for IPC. Provides a simple method of adapting legacy serial devices with RS232 9pin interfaces to modern USB 9pins ports.

This is accomplished by incorporating the industry standard FTDI FT232R USB-Serial bridge chip.
The integrated electronics of the U0902A utilize the FTDI FT232R and includes RS232 level shifters plus TXD/RXD LEDs to provide a visual indication of data traffic through the module solutions worldwide.


  • Compliant to USB specification Revision 2.0
  • Integrate USB 2.0 transceiver
  • 0°C to 70°C extended operating temperature range.
  • USB 2.0 Full Speed compatible.
  • UHCI/OHCI/EHCI host controller compatible.
  • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
  • RS-232 Standard 9pin Dsub & 9pin Header connectors.  
  • Powered by USB port. No external power adapter required.
  • Low operating and USB suspend current.
  • Configurable non-removable device support
  • Low power consumption
  • Adds two RS-232 serial port by connecting to USB2.0 9pin Header.  
  • Easy plug & play installation and RS-232 device connection
  • Works with USB 1.1 & 2.0 Host and Hub ports
  • Industry Standard FTDI chip set & device drivers for maximum compatibility
  • Sipex SP213EHCA Transceiver: Improved electrical performance.
  • Microsoft Windows® WHQL-certified, Mac OS X, Linux and Windows CE device drivers
  • Supports OS: Win98 / Me / 2000 / XP / XP x64 / Server 2003 x86 x64 / Vista x86 x64 / Server 2008 x86 / x64 / 7 x86 x64 / Server 2008 R2 / Linux / Mac OS X / OS 9 / OS 8 / Support embedded system: Win CE .NET V4.2 Greater / Android.
  • Installs as a standard Windows COM port
  • Serial port speed up to 1Mbps
  • Serial Communication Parameters
    - Parity: None, Even, Odd
    - Data bits: 7, 8
    - Flow control: RTS/CTS , DSR/DTR, X-ON/X-OFF, None
  • LEDs indicate USB Enumeration, RxD, TxD for monitoring port status & easy diagnostics
  • Driver download: http://www.ftdichip.com/FTDrivers.htm
    * No Software or develop support from Bplus.


  • System Requirements
    USB 2.0 9pin port
  • Dimension
    59mm X 40mm X 11mm
  • Certifiction
  • Operating Temperature
    0 ~ 70℃




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