Products> Data Communication > USB to RS-232

USB to RS232 Converters

Model No:USI-232F
Applications for Notebooks and Industrial PCs peripherals devices、Terminal Adapters、POS terminals、Peripherals interface and General-purpose RS-232 data link
  • Features & Spec.
  • Diagram
  • Packages


  • USB to One-port RS-232 converter
  • With FTDI CHIP inside
  • Fully meets Industrial specification
  • Asynchronous serial communication
  • USB to serial converters from Single chip USB to RS-232
  • USB 1.0/1.1 compliant, USB 2.0 Full Speed compatible
  • 12 Mbps USB data rate
  • Transmit and receive LED drive 
  • 15 KV ESD protection for all serial ports
  • Connector: DB9 Male and MINI USB B type
  • Cable:USB Type A and MINI USB B Type
  • Driver Supports:  Windows 98, 98SE, ME, 2000, XP and XP 64-bit, Vista and Vista 64-bit, Win Server 2003 and 2003 64-bit, Win Server 2008 and 2008 64-bit ,Win7, Win 8, Win10, Mac OS8/9,OS-X and  Linux 2.4 and greater 



USB-port 1*mini USB2.0 B ( to PC) 
RS232-port 1*DB-9 Male
Chips FTDI 232H
USB Compliant USB2.0/1.1 spec.
RS232 Speed 921.6kbps 
Data Bits 7,8
Stop Bits 1,2
Flow Control RTS/CTS,X-On/X-Off
FIFOs TX Buffer 128 bytes, RX Buffer 256 bytes
O/S Supported


Windows 98, 98SE, ME, 2000, Server 2003, XP ,Server 2008, XP 64-bit
Windows Vista, Vista 64-bit, Server 2008 R2,Windows 7,Windows 7 X64
Mac OS-X
Linux 2.4 and greater
Working Temperature -30 ~ +75℃
Storage Temperature -40 ~ +85℃
Humidity 5~95% Non-Condensing
Power Source Bus Power  ( Power consumption less than 40mA )
Serial I/O Pertects 15KV ESD Protection for all signals
Weight 50g
Size 42.5(W)x22.5(H)x85(D) mm


  1. 100cm USB B-A cable *1
  2. DIN Rail kit