Cable, ILEC SN-10 (S/N: > 99) to Instrument Panel, PDA and Cambridge Aero Instruments GPS-NAV
Note: This cable connects the GPS-NAV's 5V power output to the PDA.  It is designed for use with Pocket PCs which can not draw more current than the GPS-NAV can supply such the Compaq Aero 1500 models.  Therefore a Goddard PS-5a power converter is not required.  If you are using any Pocket PC other than the Compaq Aero 1500 series you should use the SN10b-Pnl-PS5a-GNAV-1 cable below.
This cable is designed to enable a Compaq Aero 1500 series Pocket PC and an SN-10 to be connected to a GPS-NAV.  It replaces the ILEC "Cockpit Panel Cable".  It includes all the connections found in that cable.  4 cables exit the back of the DB-9m connector that plugs into the SN-10.  A 0.5 m (19.7") cable goes to a DB-9f connector that is to be mounted in the instrument panel.  This connector is used for data transfers to the SN-10 from a PC and for connection of the SN10-R remote control unit.  A 0.5 m (19.7") cable goes to a DB-9f connector for connection to a cable or cradle for the Compaq Aero 1500 such as the AeroC-1 cable or the CAA-128 cradle.  The end of this cable has nuts so that the PDA cable can be securely connected to it.  A 0.5 m (19.7") cable goes to 2 connectors for the GPS-NAV.  A 0.5 m (19.7") cable goes to a "PDA Input" switch that is used to select whether the PDA gets GPS data directly from the GPS (for flight declarations and flight log downloads) or from the SN-10 (for use in flight).  The transmit line on the PDA is connected to the GPS-NAV receive line on the DB-9 connector so that flight logs may be downloaded and task declarations may be uploaded.

New Version
In August of 2005 ILEC released a new version of the SN-10 firmware which can send receive data from a GPS, add ILEC wind and vario data to the GPS data stream and send all the data to a PDA.  Details are available here.  The updated cable can be used with both SN-10b units with old (firmware<2.31) or new (firmware >=2.31).  Due to the wiring change required to accommodate this new software feature, this cable has been re-designed to include a "PDA Input" switch.  Below is a summary of the switch positions. 

PDA Input Switch Positions

• "GPS/Declare" - The PDA receives GPS data directly from the GPS (from the GPS-NAV's DB-9 connector).  GPS data is also sent directly to the SN-10 (from the GPS-NAV's RJ connector).  Allows the flight recorder to respond directly to the PDA to acknowledge task declarations or download flight logs.  Use only during task declarations and flight log downloads with SN-10 units with firmware version 2.31 or greater.  Used at all times with SN-10 units with firmware version < 2.31. Also used at all times when a PDA is not connected.
• "SN-10/Fly" - The PDA gets GPS data through the SN-10.  GPS output is sent only to the SN-10's "NMEA input" line from the GPS-NAV's DB-9 connector.  The SN-10 adds SN-10 data to the GPS data stream and sends the data to the PDA. The SN-10's transmit line is connected to the PDA's receive line.  Use this position when in flight or when not doing a task declaration or flightlog download.  Do not use this position when not connected to a PDA because the GPS-NAV will not send data out the DB-9 port until soaring software tells it to.

Old Version - no longer available
Previous versions of this cable split the GPS data and sent it directly to both the PDA and the SN-10.  No switch was used.

Using a Pocket PC for SN-10 Waypoint Database and Fight Log Transfers
It is possible to send waypoint files to the SN-10 from a Pocket PC.  You can also download flight logs from the SN-10 to the Pocket PC.  That way you don't need to bring a PC to the airport.  Details are available here.

**3 week lead time