NEW FOREST ELECTRONICS Up Whatsnew PC based analyser handheld analyser
RS232 to USB converter cable

A fast simple way to connect a standard RS232 port to USB

A standard serial interface to USB converter cable, for connecting serial data at RS232 (V28) levels to a computer USB port

(Click picture for close up view)

  • Enables serial connection to a PC not fitted with a standard RS232 COM port (e.g. a notebook sized PC)
  • The drivers provided make the PC USB port appear as a standard serial port, i.e. it will appear to application programs as "COM3" or "COM4" etc.
  • Allows a PC running our FSA32 serial data analyser to monitor RS232 serial data when running on a PC without a standard COM port
  • Hardware assisted RTS/CTS, DSR/DTR and X-ON/X-OFF handshaking options
  • 1 metre cable length
  • Blue Side Light Transmit / Receive indicator LEDS
  • Uses FTDI's 4th generation FT232R USB UART bridge i.c.
  • Good driver support

Technical summary

Speeds (baud rate)

Supports any speed in the range 300 bps to 1Mbps, i.e. includes non-standard speeds. Automatically configures itself to the speed set by the PC application

Driver software

Windows 98, ME, 2000, Server 2003 and XP; MAC OS8 / OS9 / OSX (Power PC CPU), MAC-OSX (Intel CPU); Windows CE Versions 4 (ARM & x86 CPU)


Kernel version 4.20 and higher already support this adapter, no installation required

USB compatibility

Compatible with ports to standard 1.1 or 2.0

Connection to
handheld analyser

Requires a 9-way RS232 adapter lead as supplied with the handheld analyser, to provide a physical connection to the analyser via 2 mm plugs  

Use with other products

Provides a PC serial port connection for third party products that have an RS232 serial connection, also provides RTS/CTS, DSR/DTR control line support

Power supply Powered from the USB port it is plugged into, hence no external supply is needed
Cable length 1 metre
Operating and storage

The cable is designed for dry indoor use and storage only


CE & FCC marked, RoHS compliant (lead free)

Further technical information

Please contact New Forest Electronics directly:-

What's included

Converter cable, auto-installing drivers on CD, quick installation guide on packaging, full installation guides/weblinks on CD, 12 months warranty, lifetime support by phone or email
Order code:  RS232-USB 23.00 + VAT (UK) In stock  Order now

(click picture to return)


(top of page)

                       New Forest Electronics Tel. +44 (0) 1425 650089                 Issue 3.109    13 May 2024