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Command Protocol
PS5580 RS232 and LAN Command Protocol 1
Command Protocol Description
This document specifies the protocols used on the PS5580 RS232 and LAN
connectors.
Command Protocol
Communications Link
Communication between the host and the display can be either a standard RS232
connection or a standard LAN connection.
Communication Settings
The RS232 connections uses these settings:
• Straight-thru DB9 male-to-female cable
• 115200 baud rate
• 8 data bits
• 1 stop bit
• No parity bit
• No HW (RTS/CTS or SW (XON/XOFF) flow control
The LAN connections is used by initiating a TCP connection to port 9761.
Directly Addressed Command Format
Commands that are sent to only one display are directly addressed commands.
Directly addressed commands and responses have the following format:
STX Command Length GroupID MultiID Mode Data Checksum ETX
SendtoDisplay 1byte 1byte 1byte 1byte 1byte 1byte nbytes N/A 1byte
ReceivedfromDisplay 1byte 1byte 1byte 1byte 1byte 1byte nbytes 1byte 1byte