Copyright © 2010 Future Technology Devices International Limited 7
Document Reference No.: FT_000341
DS_UT232R-200(500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.0
Clearance No.: 180
1.4 Block Diagram
FTDI FT232R
USB Serial Bridge
RS232
Level Shifter
USB A
Connector
RS232
DE-9P
Connector
Cable 10cm
or 100 cm
Figure 1-1 Block diagram
1.4.1 Block description
USB A Connector
This connector provides the interface for connection to a USB Host or Hub port
Cable
The UT232R cable is available in two lengths 2m Part number UT232R-200
and 5m - Part number UT232R-500.
FTDI FT232R
The FTDI FT232R provides the USB-to-Serial conversion. Operating system device drivers are
required in order to work with the FT232R to provide the Virtual COM Port serial functionality.
RS232 Level Shifter
The RS232 level shifter converts the signals provided by the FT232R into the voltage levels
required by RS232 devices.
DE-9P Connector (Male)
The DE-9P connector is configured in an industry standard (TIA/EIA-574) pin-out to provide
connection to RS232 peripherals through standard cables. See section 4.1.2
Copyright © 2010 Future Technology Devices International Limited 8
Document Reference No.: FT_000341
DS_UT232R-200(500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.0
Clearance No.: 180
1.5 Cable Features
Adds one RS-232 serial port by connecting to USB
Special high gloss white finish enclosure design
Enhanced RS232 transceiver gives serial port speed of up to 1MBaud.
Integral 2m (UT232R-200) or 5m (UT232R-500) USB cable with moulded strain relief
Quality 4-layer PCB design
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
Microsoft Windows
®
WHQL-certified, Mac OS X, Linux and Windows CE device drivers
Installs as a standard Windows COM port
COM port number can be changed to any available COM port number, including COM1 to COM4,
to support HyperTerminal, or any other serial communications software application running in
Windows
FIFO: 128 byte transmit buffer, 256 byte receive buffer
RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
Powered by USB port. No external power adapter required.
Serial Communication Parameters
o Parity: None, Even, Odd
o Data bits: 7, 8
o Flow control: RTS/CTS , DSR/DTR, X-ON/X-OFF, None
o Stop bits 1,2
Operating temperature of -20°C to +80°C
Copyright © 2010 Future Technology Devices International Limited 9
Document Reference No.: FT_000341
DS_UT232R-200(500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.0
Clearance No.: 180
1.6 Performance Figures
Performance
12Mbps USB 2.0 Full-Speed
Standard Windows baud rates (300bps to 921.6Kbps)
Custom baud rates (300bps to 1Mbps) through baud rate aliasing. See
FTDI Application Note: Configuring FT232R, FT2232 and FT232BM Baud
Rates
Table 1.1 Performance Figures
1.7 Ordering Information
Description
USB-RS232 Adapter Cable 2m cable length
USB-RS232 Adapter Cable 5m cable length
Table 1.2 Ordering Information

UT232R-200

Mfr. #:
Manufacturer:
FTDI Chip
Description:
USB Cables / IEEE 1394 Cables US232R Cables PCB
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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