Introduction; Wire Arrangement; Rs232 Pin Assignment - BenQ LW500 Installation Manual

Introduction

The document describes how to control your BenQ projector via RS232 from a computer.
Follow the procedures to complete the connection and settings first, and refer to the
command table for RS232 commands.
Available functions and commands vary by model. Check the specifications and user manual of
the purchased projector for product functions.

Wire arrangement

Wire Arrangement
P1 Color
1 Black
2 Brown
3 Red
4 Orange
5 Yellow
6 Green
7 Blue
8 Purple
9 Gray
Case Drain wire

RS232 pin assignment

Pin Description
1
3
5
7
9
P2
1
3
2
4
5
6
7
8
9
Case
Pin
NC 2
TXD 4
GND 6
RTS 8
NC
Description
RXD
NC
NC
CTS
3