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Dell™ 4220/4320 RS232 Protocol Document

z RS232 Projector Pin Assignment (Facing Projector)

z RS232 Serial Communication Cable Pin Assignment (Facing Cable)

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Pin Assignments

RS232 PIN DESCRIPTION MINI DIN-6

2 TXD 5

3 RXD 3

5 GROUND 1, 2

7 Not Used 6

8 Not Used 4

Note 1: The RS232 cable is not provided by Dell.

z RS232 Protocol

Communication Settings

Command Types

To display the OSD menu and adjust the settings.

Connection Settings Value

Baud Rate 19200 bps

Data Bits 8 bits

Parity None

Stop Bits 1 bit

Flow control None

1 2 3 4 5 6

Inhaltsverzeichnis

Seite 1

Dell™ 4220/4320 RS232 Protocol Document z RS232 Projector Pin Assignment (Facing Projector) z RS232 Serial Communication Cable Pin Assignment (Fa

Seite 2

Control Command Syntax (From PC to Projector) [H][AC][SoP][CRC][ID][SoM][COMMAND] [H][AC][SoP][CRC][ID][SoM][COMMAND][Value] Example: Power On Command

Seite 3 - Control Commands List

Control Commands List Command Description Header (WORD) Address Code (BYTE) Size Of The Payload (WORD)CRC16 For The Entire Packet (WORD) MsG ID (WORD

Seite 4

0x03: High 0x04: Custom Saturation Write 0xefbe 0x10 0x0006 0x9b25 0x1111 0x0002 0x3b 0x00~0x64 Range (0x00~0x64) Saturation Read 0xefbe 0x

Seite 5

0x04: HDMI 0x07: Wireless/LAN Password 0xefbe 0x10 0x0009 0xaaf9 0x1111 0x0005 0x56 4byte: Original PasswordChange Password 0xefbe 0x10

Seite 6 - March 2011 Rev. A00

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