Note: The DB9 (male) connector is wired as a DCE (think of this as a peripheral serial
port), and can be connected directly to the serial port on a host PC. This gives you access
to the built-in serial console on the router (using the protocol of 38400bps, 8 data bits,
none parity, 1 stop bit, without flow control).
To make a console debug interface for the KWGR614 router:
Connect the console board to the pin header (J303) on the router board.
The pin-out of J303 on the KWGR614 board is as follows: