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Dell™ C5518QT/C8618QT RS232 Protocol Document

• RS232 Projector Pin Assignment (Facing Monitor)

• RS232 Serial Communication Cable Pin Assignment (Facing Cable)

Pin Assignments

RS232 PIN DESCRIPTION RS232

1 -

2 TXD 2

3 RXD 3

4 -

5 GROUND 5

6 -

7 Not Used 7

8 Not Used 8

9 -

Note 1: The RS232 (pin2-3 swap) cable is not provided by Dell.

Summary of content (4 pages)

PAGE 1
Dell™ C5518QT/C8618QT RS232 Protocol Document • RS232 Projector Pin Assignment (Facing Monitor) • RS232 Serial Communication Cable Pin Assignment (Facing Cable) Pin Assignments RS232 PIN DESCRIPTION 1 - RS232 2 TXD 2 3 RXD 3 4 - 5 GROUND 6 - 7 Not Used 7 8 Not Used 8 9 - 5 Note 1: The RS232 (pin2-3 swap) cable is not provided by Dell.
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• RS232 Protocol Communication Settings Connection Settings Value Baud Rate 9600 bps Data Bits 8 bits Parity None Stop Bits 1 bit Flow control None Control Command Syntax (From PC to Monitor) [H0][H1][Len][R/W][Cmd][Data0]…[DataN][Chk] [H0] = 0x37 [H1] = 0x51 [Len] = Length [R/W] = Read/Write Read = 0xEB Write = 0xEA [Cmd] = Command [Data0]…[DataN] = Data0~N [Chk] = Check Sum Reply Command Syntax (From Monitor to PC) [H2][H3][Len][Reply][RC][Cmd][Data0]…[DataN][Chk] [H2] = 0x6F [H3] = 0x37 [Len]
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Control Commands List Command Command Description Reply Parm / Retuen / Comments HEAD _0 HEAD _1 LEN R/W CMD GetMonitorName chars (in ASCII) 37 51 02 EB GetMonitorSerialNumber 12 chars (in ASCII) 37 51 02 GetBacklightHours "Monitor Backlight Hours (WORD) 0 - 65535" 37 51 37 37 37 CHK HEAD _0 HEAD _1 LEN Reply Result CMD D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 CHK 01 8E 6F 37 0F 02 00 01 "D" "e" "l" "l" 20 "C" "5" "5" "1" "8" "Q" "T" 1A EB 02 8D
PAGE 4
GetOSDLanguage 37 51 02 EB 81 0E 6F 37 04 02 00 81 00 DF 37 51 03 EA 81 00 0E 6F 37 04 02 00 81 00 DF 37 51 03 EA 81 01 0F 6F 37 04 02 00 81 01 DE 37 51 03 EA 81 02 0C 6F 37 04 02 00 81 02 DD 37 51 03 EA 81 03 0D 6F 37 04 02 00 81 03 DC 37 51 03 EA 81 04 0A 6F 37 04 02 00 81 04 DB SetOSDLanguage - Русский 37 51 03 EA 81 05 0B 6F 37 04 02 00 81 05 DA SetOSDLanguage - 简体中文 37 51 03 EA 81 06 08 6F