Introduction; Wire Arrangement; Rs232 Pin Assignment - BenQ BH2801 Installation Manual

Introduction

This document describes the hardware interface spec and software protocols of RS232 interface
communication between Commercial Display and PC or other control unit with RS232 protocol.
This set protocol allow users to assign the ID in the command to control the specify ID monitor.
The set protocol contains two sections command: Set-Function and Get-Function
In this document, "PC" represents all the control units that can send or receive the RS232 protocol command.

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
Use of crossover (null modem) cable requires use with PC.
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