Dell™ C7017T RS232 Protocol Document • RS232 Pin Assignment • RS232 Serial Communication Cable Pin Assignment (Facing Cable) Pin Assignments RS232 PIN DESCRIPTION RS232 2 TXD 2 3 RXD 3 GROUND 5 7 Not Used 7 8 Not Used 8 1 4 5 6 9 NOTE : The RS232 (pin2-3 swap) cable is not provided by Dell.
• RS232 Protocol Communication Settings Connection Settings Baud Rate Data Bits Parity Stop Bits Flow control Value 9600 bps 8 bits None 1 bit None Control Command Syntax (From PC to Monitor) [H0][H1][Len][R/W][Cmd][Data0]…[DataN][Chk] [H0] = 6E [H1] = 51 [Len] = Length [R/W] = Read/Write Read = EB Write = EA [Cmd] = Command [Data0]…[DataN] = Data0~N [Chk] = Check Sum [Len] = 0x80+N When N is the number of bytes from [R/W] to [DataN] Exclusive OR = xor, check sum is calculated as below: [Chk] = [H0] xor
Exclusive OR = xor, check sum is calculated as below: if Len = 3 [Chk] = 0X50 xor [H2] xor [H3] xor [Len] xor [Reply] xor [RC] if Len = 4 [Chk] = 0X50 xor [H2] xor [H3] xor [Len] xor [Reply] xor [RC] xor [Cmd] if len > 4 [Chk] = 0X50 xor [H2] xor [H3] xor [Len] xor [Reply] xor [RC] xor [Cmd] xor ...
Control Commands List APIs Command N Reply bytes of replied Data /* MONITOR MANAGEMENT */ GetMonitorName 6E 51 82 EB 01 57 10 6F 6E 8D 02 [RC] 01 [DATA0] … [DATAN] CHK 6F 6E 8D 02 00 01 43 37 30 31 37 54 00 00 00 00 C9 GetMonitorSerialNumber 6E 51 82 EB 02 54 12 6F 6E 8F 02 [RC] 02 [DATA0] … [DATAN] CHK 6F 6E 8F 02 00 02 58 36 43 32 34 36 35 35 41 30 38 50 8A GetBacklightHours 6F 6E 85 02 [RC] 04 [DATA0] … [DATAN] CHK 6F 6E 85 02 00 04 00 89 D2 6F 6E 84 02 [RC] 20 [DATA0] … [DATAN] CHK 6F 6E 8
ResetPower 6E 51 82 EA 2F 78 0 6F 6E 83 02 [RC] 2F [DATA0] … [DATAN] CHK 6F 6E 83 02 00 2F D0 /* IMAGE ADJUSTMENT */ GetBrightness 6E 51 82 EB 30 66 1 6F 6E 84 02 [RC] 30 [DATA0] … [DATAN] CHK 6F 6E 83 02 [RC] 30 [DATA0] … [DATAN] CHK 6F 6E 84 02 00 30 4B E7 SetBrightness 6E 51 83 EA 30 0 [DATA0] … [DATAN] CHK GetContrast 6E 51 82 EB 31 67 1 6F 6E 84 02 [RC] 31 [DATA0] … [DATAN] CHK 6F 6E 84 02 00 31 4B E6 SetContrast 6E 51 83 EA 31 0 [DATA0] … [DATAN] CHK 6E 51 82 EB 34 62 1 6F 6E 83 02 [RC
SetInputColorFormat GetColorPresetCaps 6E 51 83 EA 46 0 [DATA0] … [DATAN] CHK 6E 51 82 EB 47 11 4 GetColorPreset 6E 51 82 EB 48 1E 4 SetColorPreset STANDARD:6E 51 0 86 EA 48 00 00 00 01 1A WARM: 6E 51 86 EA 48 00 00 04 00 1F CUSTOM: 6E 51 86 EA 48 00 00 00 80 9B 6F 6E 83 02 [RC] 48 [DATA0] … [DATAN] CHK GetCustomColor 6E 51 82 EB 49 1F 6 6F 6E 89 02 [RC] 49 [DATA0] … [DATAN] CHK 6F 6E 89 02 00 49 64 64 64 00 00 00 F7 SetCustomColor 6E 51 83 EA 49 0 [DATA0] … [DATAN] CHK(EXAMPLE:6E 51 86 EA 49 0
GetVideoInput 6E 51 82 EB 62 34 4 6F 6E 87 02 [RC] 62 [DATA0] … [DATAN] CHK VGA:6F 6E 87 02 00 62 00 00 00 40 B6 HDMI1:6F 6E 87 02 00 62 00 00 00 01 B6 HDMI2:6F 6E 87 02 00 62 00 00 00 02 B6 HDMI3:6F 6E 87 02 00 62 00 00 00 04 B6 DP:6F 6E 87 02 00 62 00 00 00 08 B6 SetVideoInput VGA: 6E 51 86 EA 62 00 00 00 40 71 HDMI1: 6E 51 86 EA 62 00 00 00 01 30 HDMI2: 6E 51 86 EA 62 00 00 00 02 33 HDMI3: 6E 51 86 EA 62 00 00 00 04 35 DP: 6E 51 86 EA 62 00 00 00 08 39 0 6F 6E 83 02 [RC] 62 [DATA0] … [DATAN] CHK
SetOSDTimer GetOSDTimer SetOSDButtonLock 6E 51 83 EA 83 0 [DATA0] … [DATAN] CHK 6E 51 82 EB 83 D5 1 GetOSDButtonLock UNLOCK:6E 51 83 0 EA 84 00 D2 LOCK:6E 51 83 EA 84 01 D3 6E 51 82 EB 84 D2 1 ResetOSD 6E 51 82 EA 8F D8 0 /* SYSTEM MANAGEMENT */ GetVersionFirmware 6E 51 82 EB A0 F6 10 6F 6E 83 02 [RC] 83 [DATA0] … [DATAN] CHK 6F 6E 84 02 [RC] 83 [DATA0] … [DATAN] CHK 6F 6E 83 02 [RC] 84 [DATA0] … [DATAN] CHK 6F 6E 84 02 [RC] 84 [DATA0] … [DATAN] CHK 6F 6E 83 02 [RC] 8F [DATA0] … [DATAN] CHK 6F 6E
SetAudioSource 6F 6E 83 02 [RC] B2 [DATA0] … [DATAN] CHK 6F 6E 83 02 00 B2 D0 GetAudioSource HDMI/DP:6E 51 83 0 EA B2 1 E5 PC AUDIO:6E 51 83 EA B2 2 E6 6E 51 82 EB B2 E4 1 6F 6E 84 02 [RC] B2 [DATA0] … [DATAN] CHK Audio Reset 6E 51 82 EA BF E8 0 6F 6E 83 02 [RC] BF [DATA0] … [DATAN] CHK HDMI/DP : 6F 6E 84 02 00 B2 01 65 PC AUDIO : 6F 6E 84 02 00 B2 02 65 6F 6E 83 02 00 BF D0 Information in this document is subject to change without notice. © 2017 Dell Inc. All rights reserved.
