Exsys Converter, RS232 - TTL/CMOS, Serial Ports 2

Enables quick extension of RS232 technology to instant TTL/CMOS level conversion. Supports 4 RS232: TXD, RTS, CTS, GND. Supports 5 V and 3.3 V signals with tolerance. Compatible with older and new RS232 devices. No driver required, for all operating systems.