Benq W2700, HT3550 RS232 Command Control Installation Guide
W2700/ HT3550
Projector RS232 Command Control
Installation Guide
Table of Contents
Introduction ............................................................................................................................................. 3
Wire arrangement ........................................................................................................................................................ 3
RS232 pin assignment .................................................................................................................................................. 3
Connections and communication settings ......................................................................................... 4
RS232 serial port with a crossover cable ............................................................................................................... 4
Settings .................................................................................................................................................................. 4
RS232 via LAN .............................................................................................................................................................. 6
Settings .................................................................................................................................................................. 6
RS232 via HDBaseT ..................................................................................................................................................... 6
Settings .................................................................................................................................................................. 6
Command table ....................................................................................................................................... 8
2
Introduction
Available functions and commands vary by model. Check the specifications and user manual of the purchased projector for
product functions.
Wire Arrangement
P1
Color
P2 1 Black
1 2 Brown
3
3
Red
2 4 Orange
4 5 Yellow
5
6
Green
6
7
Blue
7 8 Purple
8
9
Gray
9
Case
Drain wire
Case
Pin
Description
Pin
Description
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
RTS
8
CTS
9
NC
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.
Wire arrangement
RS232 pin assignment
3
Connections and communication settings
On-screen images in this document are for reference only. The screens may vary depending on your Operating System,
I/O ports used for connection, and the specifications of the connected projector.
PC or laptop
Communication cable (crossover)
D-Sub 9 pin (female)
D-Sub 9 pin (male) on a projector
Choose one of the connections and set up properly before RS232 control.
RS232 serial port with a crossover cable
Settings
1. Determine the COM Port name used for the RS232 communications in Device Manager.
4
2. Choose Serial and the corresponding COM port as the communication port. In this given example,
Baud rate
9600 bps
Data length
8 bit
Parity check
None
Stop bit
1 bit
Flow control
None
COM6 is selected.
3. Finish Serial port setup.
5
RS232 via LAN
PC or laptop
RJ45 port on a projector
LAN cable
PC or laptop
HDBaseT compatible device
D-Sub 9 pin
RJ45
RJ45 port on a projector
LAN cable
D-Sub 9 pin
Settings
1. Find the Wired LAN IP address of the connected projector from the OSD menu and make sure the
projector and the computer are within the same network.
2. Input 8000 in the TCP port # field.
RS232 via HDBaseT
Settings
1. Determine the COM Port name used for the RS232 communications in Device Manager.
2. Choose Serial and the corresponding COM port as the communication port. In this given example,
COM6 is selected.
6
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