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10. COMMUNICATION PROTOCOL
Pelco “D” Protocol Commands
* Sync Byte : FFh(BYTE1)
* Address : Camera ID (1~255) (01h ~ FFh)
* Check sum : It is 8 bit(module 256) sum of the payload bytes(BYTE2~BYTE6)
BYTE7 = BYTE2+…+BYTE6
ex) if BYTE2+…+BYTE6 = 1FCh, then BYTE7 = FCh
UP
DOWN
LEFT
RIGHT
SET
BYTE1 BYTE2
BYTE3 BYTE4
BYTE5
BYTE6 BYTE7
0xFF
CamID
0x00
0x08
0x00
0x00
CS
0xFF
CamID
0x00
0x10
0x00
0x00
CS
0xFF
CamID
0x00
0x04
0x00
0x00
CS
0xFF
CamID
0x00
0x02
0x00
0x00
CS
0xFF
CamID
0x02
0x00
0x00
0x00
CS