Dell 2400MP Reference Manual

Dell 2400MP RS232 Protocol Pin Assignment
TM
(Facing Projector)
• Communication Settings
Connection settings
Baud Rate:
Data Bits:
Parity
Stop Bits
• Command types
To pop up the OSD menu and adjust the settings.
• Control command Syntax (From PC to Projector)
[H][AC][SoP][CRC][ID][SoM][COMMAND]
• Example: Power ON Command (Send low byte firstly)
--> 0xBE, 0xEF, 0x10, 0x05, 0x00, 0XC6, 0xFF, 0x11, 0x11, 0x01, 0x00, 0x01
Magic "BE EF"
Pack Type "10" ==> pt_OEM
Packet Size "05 00" ==> From wMsgID ~ END
CRC "C6 FF" ==> if CRC value is "C6(Low Byte) FF (High Byte)"
MsgID "11 11"
MsgSize "01 00" ==> From Command ~ END
Command "01" ==> "Power ON" Command
• Projector Response Message Table:
0x00: Success
0x01: Invalid Command (on the control command list but not valid. e.g. Card Reader
command while no card reader plug-in)
0x02: Error Command (includes CRC error and unknown commands)
Value
19200
8
None
1