Serial Access It is possible to gain access to a serial port on the device by hooking up a line-levelling serial cable (such as one used to connect a laptop to an older nokia phone) to CN2. CN2 is a 10-pin connector that can be found on the upper right hand side of the board as viewed when the case is off the unit. The cable was a CA-42 clone cable bought from ebay and prepared according to these instructions to prepare a cable for the linkstation The pin guide for CN2 is as follows - Pin 01234 ..... ..... Pin 56789 Pin 0: Pin 1: Pin 2: 0V - GND Pin 3: TX. 3.3V, drops to 1.84 when data is sent to /dev/ttyS0 using 'yes' Pin 4: Pin 5: +3.3V Pin 6: Pin 7: Pin 8: Pin 9: RX - discovered as it has registered 0.01V on multimeter, and when connected to Pin 3 with cu -s 115200 -l /dev/ttyS0 running, the terminal echoes input