DRO-350 Cables Construction

Programming Cable

The programming cable uses RS-232 control lines to both generate the programming voltage for the processor and send it the binary software image. The cable is wired as indicated in the table.  The connector is a 9 pin female d-sub connector.

RS-232 Signal PCB Designator Female DB-9 Pin
CTS C 8
DTR D 4
Tx T 3
Ground G 5
RTS R 7