======================= Garmin eTrex data cable ======================= Status: OK It is used for connecting Garmin eTrex to the serial port. connections: ================== ============ DB9 pin garmin pin ================== ============ 3 (TxD) 2 (In) 2 (RxD) 3 (Out) 5 (GND) 4 (GND) ================== ============ Images ------- .. image:: garmin_data_cable1.jpg Sources ----------- `original design `_ .. image:: http://www.jens-seiler.de/etrex/datacable_connection.jpg .. image:: http://www.jens-seiler.de/etrex/plug_bottom.jpg