USB-232-OPTO
Price:
42
USB-232-OPTO is an optoisolated USB to RS232 converter based on PL2303HX. Thanks to its on-board DC-DC converter it doesn't require any additional power supply, but is completely USB bus-powered. Its small form factor and low price make it ideal for an engineer's laptop as well as for industrial computers where interface isolation is a must. It supports baud rates of up to 128kbps and features the following signals: TXD, RXD, RTS, CTS.
Drivers for most operating systems are available at Prolific web site .