User Manual

English
49
USING THE PROJECTOR
RS232 by Telnet Function
There is alternative RS232 command control way, in projector so called “RS232 by TELNET” for LAN / RJ45
interface.
Quick Start-Guide for “RS232 by Telnet”
 Check and get the IP address on OSD of the projector.
 Make sure that the PC / laptop can access the web-page of the projector.
 Make sure that “Windows Firewall” setting is set disabled in case of “TELNET” function ltering out by
PC / laptop.
.
1. Select Start > All Programs.> Accessories > Command Prompt.
2. Input the command format as follows:
± telnet ttt.xxx.yyy.zzz 23 (“Enter” key pressed)
± (ttt.xxx.yyy.zzz: IP-Address of the projector)
3. If Telnet-Connection ready, and user can have RS232 command input, then “Enter” key pressed, the
RS232 command will be workable.
Specication for “RS232 by TELNET”:
1. Telnet: TCP.
2. Telnet port: 23 (for more detail, kindly please get contact with the service agent or team).
3. Telnet utility: Windows “TELNET.exe” (console mode).
4. Disconnection for RS232-by-Telnet control normally: Close
5. Windows Telnet utility directly after TELNET connection ready.
± Limitation 1 for Telnet-Control: there is less than 50 bytes for successive network payload for
Telnet-Control application.
± Limitation 2 for Telnet-Control: there is less than 26 bytes for one complete RS232 command for
Telnet-Control.
± Limitation 3 for Telnet-Control: Minimum delay for next RS232 command must be more than 200 (ms).