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LVC-SX703PC_AA4HEL_ENG_MFL-129
RS-485 Protocol
Data Communication Format
• Data Length: 1 Byte (8 Bit)
• Start/Stop Bit: 1 BIT
• Parity Bit: None
• Baud rate: 9,600 bps
Format
BYTE 1
BYTE 2
BYTE 3
BYTE 4
0xC5
CODE1
CODE2
CODE3 CAM_ID
*C.S. = Check Sum
• The data of total 6 bytes is transmitted from the
external RS-485 device to the camera.
• BYTE 6 : The value of Check Sum from 'BYTE 1 '
to 'BYTE 5 ' .
ex) In case of transmission, 0xC5, 0x5F, 0x02,
0x00, 0x0A"
C.S. = 0xC5 +0x5F +0x02 +0x00 +0x0A = 0x0130
therefore, C.S. = 0x30
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12:06 PM
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Commands
Function
OSD Menu ON/OFF 0xC5, 0x5F, 0x25, 0x00, ID, C.S.
LEFT Button
Right Button
Up Button
BYTE 5
BYTE 6
Down Button
*C.S.
Menu Button
• You must send "Stop" command to camera after
sending each command described above.
The "Stop" command is "0xC5, 0x5F, 0x0C, 0x00,
ID, C.S.".
Command
(external device → camera)
0xC5, 0x5F, 0x38, 0x00, ID, C.S.
0xC5, 0x5F, 0x39, 0x00, ID, C.S.
0xC5, 0x5F, 0x02, 0x00, ID, C.S.
0xC5, 0x5F, 0x04, 0x00, ID, C.S.
0xC5, 0x5F, 0x24, 0x00, ID, C.S.
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