System-S RS232 to TTL Converter Adapter Serial Serial Data Adapter
£14.66
TTL - 1 TXD - 2 RXD - 3 Blank - 4 Blank - 5 GND. This adapter can convert the TD and RD signals to TXD signal and RXD signals. It is real three lines (TD, RD and GND). - Port powered, no external power required - Range up to 1.2km.
