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C. Serial Communication Cable and Parameters
For external serial communication from a computer to BenQ projector, BenQ recommends
manfactures use RS-232 communations over a straight through serial cable a 9 pin female D-sub9
connector.
The standard D-sub9 connector on the computer is a male connector, and BenQ projector, too. The
wiring between the computer and BenQ projector is a straight through cable. A 9 pin female to 9 pin
female stright through cable is a very standard part and readily available in many lengths.
Female D-sub9 pinout numbering and definitions on both terminal :
PW Serial uses the following default serial port settings:
. Baud Rate: 19200
. Parity: none
. Data bits: 8
. Stop bits: 1
. Flow Control: none
Pin number Name
2 Transmit
3 Receive
5 Ground