This is USB RS232 cable, signals as PC COM port, not UART TTL signals.

1.USB2.0 standard.

2.FTDI FT232R for USB UART signals converter, ZT213 for TTL to RS232 signals shift.

3.On-board signals: TXD, RXD, CTS, RTS, GND, VCC 5v, DSR, DTR, DCD, RI optional

4.We have 3 core, 4 core, 6 core cable for DIN 6P or 3P connecting.

5.Pinout is customized, no standard pinout

6.Overmolded FTDI chip provides single chip USB to asynchronous serial data transfer interface.

7.Compatible with all Windows and Mac OS systems.