Benq TK850 RS232 Command Control Installation Guide
TK850
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
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.
product functions.
Wire arrangement
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
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
3
Connections and communication settings
PC or laptop
Communication
cable
(crossov
er)
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
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.
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,
COM6 is selected.
3. Finish Serial port setup.
Baud rate 9600 / 14400 / 19200 / 38400 / 57600 / 115200 bps
Check the baud rate of the connected projector from its OSD menu.
Data length 8 bit
Parity check None
Stop bit 1 bit
Flow control None
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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