Dell 1800MP Projector User Manual download pdf (Page 1)

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1800MP RS232 Protocol Pin Assignment

(Facing Projector)

RS232 Pin Assignment

RS232 Protocol

• Communication Settings

• 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

Header "BE EF"

Address Code "10" ==> Fixed

Payload Size "05 00"==> From wMsgID to end

CRC "C6 FF" ==> If CRC value is "C6 (Low Byte) FF (High Byte)"

MsgID "11 11"

MsgSize "01 00"==> From command to end.

Command "01"==> "Power ON" command.

• Projector Response Message Table:

0x00: Success

Connection settings Value

Baud Rate: 19200

Data Bits: 8

Parity None

Stop Bits 1

1 2 3 4

Summary of Contents

Page 1 - (Facing Projector)

DellTM 1800MP RS232 Protocol Pin Assignment (Facing Projector)RS232 Pin AssignmentRS232 Protocol • Communication Settings • Command typesTo pop up the

Page 2

www.dell.com | support.dell.com0x01: Invalid command (on the control command list but not valid. e.g. card reader command while no card reader plug-in

Page 3 - Control Commands List

Page 4

www.dell.com | support.dell.com