Serial port (NAS540)

Serial port (NAS540)

Hardware
The NAS540 has a 3.3V TTL serial port Look at J1 on PCB_Photos_(NAS540) Pinning: ++++   ++ |--- | RX | TX |    | GND| ++++   ++ FTDI cable colors -   Yellow Orange   Black Connecting VCC/3.3V is not required.

You can´t connect this directly to an RS232 port, you need a TTL level convertor, or something like a FTDI TTL-232R-3V3.

Settings
115200 baud, no parity, 8 data bits, 1 stop bit, no handshake.