Cable, 1 m (3.281 feet), PS-5a to Borgelt B50 and LX Navigation Colibri, DB-9f (9-pin female connector for PS-5a) to DB-9m (9-pin male connector for Borgelt B50) to RJ-12 (6-pin phone jack connector for Colibri), Passes RS-232 transmit and receive, 12 V power and ground leads from PS-5a Power Conversion Unit to Colibri.  RS-232 serial data goes from the Colibri transmit to the B50 receive to the B50 transmit to the PS-5a and on to the Pocket PC receive line.  The transmit line on the Pocket PC is routed to the Colibri receive line for electronic flight declarations. This cable also includes a mechanical switch for mounting in the panel which is necessary to allow electronic flight declarations to be acknowledged by the Colibri.  It has two settings: "Flight", and "Declaration".