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Dell™ C7017T RS232 Protocol Document
• RS232 Pin Assignment
• 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 : 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] = 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 [H1] xor [Len] xor [R/W] xor [Cmd] xor [Data0]…[DataN]
Reply Command Syntax (From Monitor to PC)
[H2][H3][Len][Reply][RC][Cmd][Data0]…[DataN][Chk]
[H2] = 6F
[H3] = 6E
[Len] = Length
[Reply] = Reply (02)
[RC] = Result Code
0 = Success
1 = Timeout
2 = Parameters Error
3 = Not connected
4 = Other Failure
[Cmd] = Command
[Data0]…[DataN] = Data0~N
[Chk] = Check Sum
[Reply Len] = 0x80+N
When N is the number of bytes from [Reply] to [DataN]
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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 ... xor
[Data[Len-5]]
Example Command
Example: GetBrightness Command
Command: 6E 51 82 EB 30 66
[H0] = 6E
[H1] = 51
[Len] = 82
[R/W] = EB
[Cmd] = 30
[Chk] = 66
Example: GetBrightness Reply
Reply: 6F 6E 84 02 00 30 4B E7
[H2] = 6F
[H3] = 6E
[Len] = 84
[Reply] = 02
[RC] = 00
[Cmd] = 30
[Data0] = 4B
[Chk] = E7
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Control Commands List
APIs Command N
/* MONITOR
MANAGEMENT */
GetMonitorName 6E 51 82 EB 01 57 10 6F 6E 8D 02 [RC] 01
GetMonitorSerialNumber 6E 51 82 EB 02 54 12 6F 6E 8F 02 [RC] 02
GetBacklightHours 6E 51 82 EB 04 52 2 6F 6E 85 02 [RC] 04
/* POWER MANAGEMENT
*/
GetPowerState 6E 51 82 EB 20 76 1 6F 6E 84 02 [RC] 20
SetPowerState ON:6E 51 83 EA 20
01 77
OFF:6E 51 83 EA
20 00 76
STANDBY:6E 51 83
EA 20 02 74
GetPowerLED 6E 51 82 EB 21 77 1 6F 6E 84 02 [RC] 21
SetPowerLED OFF:6E 51 83 EA
21 00 77
ON:6E 51 83 EA 21
01 76
GetPowerUSB 6E 51 82 EB 22 74 1 6F 6E 84 02 [RC] 22
SetPowerUSB OFF:6E 51 83 EA
22 00 74
ON:6E 51 83 EA 22
01 75
Reply Reply Example
bytes
of
replied
Data
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 20
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 21
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 22
[DATA0] … [DATAN]
CHK
6F 6E 8D 02 00 01
43 37 30 31 37 54 00
00 00 00 C9
6F 6E 8F 02 00 02 58
36 43 32 34 36 35 35
41 30 38 50 8A
6F 6E 85 02 00 04
00 89 D2
6F 6E 84 02 00 20 01
F7 (ON)
6F 6E 84 02 00 20
00 F7(OFF)
6F 6E 84 02 00 20
02 F7(SAVING)
6F 6E 83 02 00 20
D0(ON)
6F 6E 83 02 00 20
D0(OFF)
6F 6E 83 02 00 20
D0(SAVING)
6F 6E 84 02 00 21 01
F6(LED ON)
6F 6E 84 02 00 21 00
F6(LED OFF)
6F 6E 83 02 00 21
D0(ON)
6F 6E 83 02 00 21
D0(OFF)
6F 6E 84 02 00 22
00 F5(OFF)
6F 6E 84 02 00 22 01
F5(ON)
6F 6E 83 02 00 22
D0
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ResetPower 6E 51 82 EA 2F 78 0 6F 6E 83 02 [RC] 2F
[DATA0] … [DATAN]
/* IMAGE ADJUSTMENT
*/
GetBrightness 6E 51 82 EB 30 66 1 6F 6E 84 02 [RC] 30
SetBrightness 6E 51 83 EA 30
[DATA0] … [DATAN]
CHK
GetContrast 6E 51 82 EB 31 67 1 6F 6E 84 02 [RC] 31
SetContrast 6E 51 83 EA 31
[DATA0] … [DATAN]
CHK
GetSharpness 6E 51 82 EB 34 62 1 6F 6E 84 02 [RC] 34
SetSharpness 6E 51 83 EA 34
[DATA0] … [DATAN]
CHK
GetAspect Ratio 6E 51 82 EB 33 65 1 6F 6E 84 02 [RC] 33
SetAspect Ratio 4:3: 6E 51 83 EA
33 02 67
16:9: 6E 51 83 EA
33 00 65
5:4: 6E 51 83 EA
33 04 61
GetResponseTime 6E 51 82 EB 35 63 1 6F 6E 84 02 [RC] 35
SetResponseTime NORMAL:6E 51 83
EA 35 00 63
FAST:6E 51 83 EA
35 01 62
/* COLOR MANAGEMENT
*/
GetInputColorFormat 6E 51 82 EB 46 10 1 6F 6E 84 02 [RC] 46
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 30
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 31
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 34
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 33
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 35
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
6F 6E 83 02 00 2F
D0
6F 6E 84 02 00 30
4B E7
6F 6E 83 02 00 30
D0
6F 6E 84 02 00 31
4B E6
6F 6E 83 02 00 31 D0
6F 6E 84 02 00 34
32 E3
6F 6E 83 02 00 34
D0
WIDE 16:9 6F 6E 84
02 00 33 00 E4
4:3 6F 6E 84 02 00
33 02 E4
5:4 6F 6E 84 02 00
33 04 E4
6F 6E 83 02 00 33
D0
NORMAL:6F 6E 84
02 00 35 00 E2
FAST:6F 6E 84 02 00
35 01 E2
NORMA:6F 6E 83 02
00 35 D0
FAST:6F 6E 83 02 00
35 D0
6F 6E 84 02 00 46
00 91(RGB)
6F 6E 84 02 00 46 01
91(Ypbpr)
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SetInputColorFormat 6E 51 83 EA 46
[DATA0] … [DATAN]
CHK
GetColorPresetCaps 6E 51 82 EB 47 11 4 6F 6E 87 02 [RC] 47
GetColorPreset 6E 51 82 EB 48 1E 4 6F 6E 87 02 [RC] 48
SetColorPreset STANDARD:6E 51
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
GetCustomColor 6E 51 82 EB 49 1F 6 6F 6E 89 02 [RC] 49
SetCustomColor 6E 51 83 EA 49
[DATA0] … [DATAN]
CHK(EXAMPLE:6E
51 86 EA 49 00 00
80 00 9A)
ResetColor 6E 51 82 EA 4F 18 0 6F 6E 83 02 [RC] 4F
/* VIDEO INPUT
MANAGEMENT */
SetAutoSelect 6E 51 83 EA 60
0 36
6E 51 83 EA 60
1 37
GetAutoSelect 6E 51 82 EB 60 36 1 6F 6E 84 02 [RC] 60
GetVideoInputCaps 6E 51 82 EB 61 37 4 6F 6E 87 02 [RC] 61
0 6F 6E 83 02 [RC] 46
[DATA0] … [DATAN]
CHK
[DATA0] … DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 48
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 49
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 60
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
6F 6E 83 02 00 46
D0
6F 6E 87 02 00 47 00
00 04 81 97
6F 6E 87 02 00
48 00 00 00 80
9C(CUSTOMER
COLOR)
6F 6E 87 02 00
48 00 00 00 01
9C(STANDARD)
6F 6E 87 02 00 48 00
00 04 00 98(WARM)
6F 6E 83 02 00 48
D0
6F 6E 89 02 00 49
64 64 64 00 00 00
F7
EXAMPLE : 6F 6E 83
02 00 49 D0
6F 6E 83 02 00 4F
D0
6F 6E 83 02 00 60
D0
ON: 6F 6E 84 02 00
60 01 B7
OFF: 6F 6E 84 02 00
60 00 B7
6F 6E 87 02 00 61 00
00 00 4F B5
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GetVideoInput 6E 51 82 EB 62 34 4 6F 6E 87 02 [RC] 62
[DATA0] … [DATAN]
CHK
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
/* PIP/PBP MANAGEMENT
*/
/* OSD MANAGEMENT */
SetOSDLanguage 6E 51 83 EA 81
[DATA0] … [DATAN]
CHK
GetOSDLanguage 6E 51 82 EB 81 D7 1 6F 6E 84 02 [RC] 81
0 6F 6E 83 02 [RC] 62
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 81
[DATA0] … [DATAN]
CHK
[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
VGA:6F 6E 83 02 00
62 D0
HDMI1:6F 6E 83 02
00 62 D0
HDMI2:6F 6E 83 02
00 62 D0
HDMI3:6F 6E 83 02
00 62 D0
DP:6F 6E 83 02 00
62 D0
6F 6E 83 02 00 81
D0
English:6F 6E 84 02
00 81 00 56
Japan:6F 6E 84 02
00 81 07 56
Espanol:6F 6E 84 02
00 81 01 56
Fran:6F 6E 84 02 00
81 02 56
Desu:6F 6E 84 02 00
81 03 56
Port:6F 6E 84 02 00
81 04 56
Pycc:6F 6E 84 02 00
81 05 56
Chinese:6F 6E 84 02
00 81 06 56
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SetOSDTimer 6E 51 83 EA 83
[DATA0] … [DATAN]
CHK
GetOSDTimer 6E 51 82 EB 83 D5 1 6F 6E 84 02 [RC] 83
SetOSDButtonLock UNLOCK:6E 51 83
EA 84 00 D2
LOCK:6E 51 83 EA
84 01 D3
GetOSDButtonLock 6E 51 82 EB 84 D2 1 6F 6E 84 02 [RC] 84
ResetOSD 6E 51 82 EA 8F D8 0 6F 6E 83 02 [RC] 8F
/* SYSTEM MANAGEMENT
*/
GetVersionFirmware 6E 51 82 EB A0 F6 10 6F 6E 8D 02 [RC] A0
GetLCDConditioning 6E 51 82 EB A4 F2 1 6F 6E 84 02 [RC] A4
SetLCDConditioning DISABLE:6E 51 83
EA A4 00 F2
ENABLE:6E 51 83
EA A4 01 F3
FactoryReset 6E 51 82 EA AF F8 0 6F 6E 83 02 [RC] AF
/* Audio MANAGEMENT
*/
SetVolumeLevel 6E 51 83 EA B0
[DATA] CHK
(EXAMPLE : 6E 51
83 EA B0 64 82)
GetVolumeLevel 6E 51 82 EB B0 E6 1 6F 6E 84 02 [RC] B0
SetSpeakerMute MUTE:6E 51 83 EA
B1 1 E6
UNMUTE:6E 51 83
EA B1 0 E7
GetSpeakerMute 6E 51 82 EB B1 E7 1 6F 6E 84 02 [RC] B1
0 6F 6E 83 02 [RC] 83
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] 84
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] A4
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] B0
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
0 6F 6E 83 02 [RC] B1
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
6F 6E 83 02 00 83
D0
6F 6E 84 02 00 83
07 54
UNLOCK:6F 6E 83 02
00 84 D0
LOCK:6F 6E 83 02 00
84 D0
UNLOCK:6F 6E 84 02
00 84 00 53
LOCK:6F 6E 84 02
00 84 01 53
6F 6E 83 02 00 8F
D0
6F 6E 8D 02 00 A0
4D 33 46 31 30 30 54
34 00 00 17
6F 6E 84 02 00 A4
00 73(DISABLE)
6F 6E 84 02 00 A4 01
73 (ENABLE)
6F 6E 83 02 00 A4
D0
6F 6E 83 02 00 AF
D0
6F 6E 83 02 00 B0
D0
6F 6E 84 02 00 B0
32 67
6F 6E 83 02 00 B1
D0
UNMUTE: 6F 6E 84
02 00 B1 00 66
MUTE :6F 6E 84 02
00 B1 01 66
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SetAudioSource HDMI/DP:6E 51 83
EA B2 1 E5
PC AUDIO:6E 51
83 EA B2 2 E6
GetAudioSource 6E 51 82 EB B2 E4 1 6F 6E 84 02 [RC] B2
Audio Reset 6E 51 82 EA BF E8 0 6F 6E 83 02 [RC] BF
0 6F 6E 83 02 [RC] B2
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
[DATA0] … [DATAN]
CHK
6F 6E 83 02 00 B2
D0
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.
Reproduction of these materials in any manner whatsoever without the written permission of
Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.
Other trademarks and trade names may be used in this document to refer to either the
entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary
interest in trademarks and trade names other than its own.
2017 –02 Rev. A01
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