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Secure Series II LCD Panels Technical Reference
51
020-001915-01 Rev. 1 (03-2021)
Copyright
©
2021 Christie Digital Systems USA, Inc. All rights reserved.
In addition to using the display keypad or remote control unit, you can control the display using a serial
(RS232) link or Ethernet connection to send commands and receive responses to those commands.
The display uses a simple text-based control protocol to take requests from control devices and to provide
responses to such devices. This section describes how to send control messages over a serial link between the
display and an automation/control system or a PC running a terminal emulation program.
Learn how to configure the RS232 port.
1.
Connect the control computer to the RS232 input on the display panel.
2.
If using an audio/video control system, complete the following to configure the
RS232 port on the system.
a.
Select
no parity
,
8 data bits
,
1 stop bit
, and
no flow control
.
b.
Set the baud rate to 115200 so it matches the RS232 port on the display panel.
Learn how to configure the Ethernet port.
3.
Connect the control computer to the RJ45 connector on the display panel.
4.
If you are using TCP/IP, UDP socket program complete the following to configure the ethernet port on the system.
a.
Set the IP address (check the LAN setting on-screen display).
b.
Set the port number (TCP/IP: 5000, UDP: 5001)
[STX] [IDT] [TYPE] [CMD] ([VALUE] or [REPLY]) [ETX] [CR]
Where:
•
[STX]
indicates the start of the data command (always 07).
•
[IDT]
is the display ID. Use hexadecimal values 01 to 19 inclusive to address a single
display panel.
•
[TYPE]
is the command type:
00 = return to host (response from the LCD panel)
01 = read/action
02 = write
•
[VALUE]
is the parameter setting for the command.
•
[REPLY]
is the parameter setting for the command, acknowledged by the display panel
in its response to a command.
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