BenQ MX805ST RS 232 Commands - Page 3
RS232 Cable Requirement and Pin Assignment, RS232 Connection - projector
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1. RS232 Cable Requirement and Pin Assignment Cable Requirement: RS232 pin assignment Pin Description Pin 1 NC 2 3 TXD 4 5 GND 6 7 RTS 8 9 NC 2. RS232 Connection Description RXD NC NC CTS 12 3 45 6789 Notes: Make sure that both of the PC and the projector are turned off before connecting them. Must turn on the PC before turning on the projector. (Wrong step may have Com port working incorrectly) PLS choose appropriate adapter for PC side. 2
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1. RS232 Cable Requirement and Pin Assignment
Cable Requirement:
RS232 pin assignment
Pin
Description
Pin
Description
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
RTS
8
CTS
9
NC
2. RS232 Connection
Notes:
Make sure that both of the PC and the projector are turned off before connecting
them.
Must turn on the PC before turning on the projector. (Wrong step may have Com
port working incorrectly)
PLS choose appropriate adapter for PC side.
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9