Nikon NP4100 - Manual (Page 147)

8. Specifications
132
Communication Protocol
Baud rate ........................................ 38400 bps
Data length ..................................... 8 bits
Parity .............................................. No parity
Stop bit .......................................... One bit
X on/off .......................................... None
Communications procedure ........... Full duplex
Note:
Depending on the equipment, a lower baud rate may be recommended for long
cable runs.
PC Control Connector (DIN-9P)
Note:
1. Pin 1, 4, 6 and 9 are not used.
2. Jumper “Request to Send” and “Clear to Send” together on both ends of the
cable to simplify the cable connection.
3. For long cables, it is recommended to set communication speed within projector
menus to 9600 bps.