There have been several question about connecting the MDK to a terminal program. The UART header is located under the back cover, near the battery connection. It is a 10 pin header and uses the following pinout.

DB-9 IDC-10
Pin 1 Pin 1
Pin 2 Pin 3
Pin 3 Pin 5
Pin 4 Pin 7
Pin 5 Pin 9
Pin 6 Pin 2
Pin 7 Pin 4
Pin 8 Pin 6
Pin 9 Pin 8

A cable was not included in the Beta Kits. They are available at several retailers. Here is just one example - and it's ON SALE.

http://www.logicsupply.co...roducts/db9_idc10dtk