Transmission Packet Format - Samsung -T Protocol User Manual

1.3.Transmission Packet Format

<Command Packet Format>
Byte1 Byte2 Byte3
STX Cam ID Host ID
-STX(Start of Text): A0h
-ETX(End of Text): AFh
-Cam ID: Dome ID(01h~FFh)
-Host ID: Host Controller ID(default:00h)
-Checksum: The value of Modulo 256 equal to a total of Byte2 to Byte9
processed by 'Logical Not(~)'
Checksum = ~((Byte 2 +......+ Byte 9) & FFh)
<Return Packet Format>
Byte1 Byte2 Byte3
STX Host ID Cam ID
-Host ID:Controller ID
-Cam ID:Dome ID Number
-Error:Bit error codes are listed in the chart below.
Description
bit7
bit6
bit5 Camera Module Failure
bit4 Pan/Tilt Failure
bit3 RAM of EEPROM Error
bit2
bit1
bit0 Unsuitable Data
Byte4 Byte5 Byte6
Cmd1 Cmd2 Data1
Byte4 Byte5 Byte6
Cmd1 Cmd2 Data1
- 4 -
Byte7 Byte8 Byte9
Data2 Data3 Data4
Byte7 Byte 8 Byte9
Data2 Data3 Error
Ver 1 1 1 1 . . . . 8 8 8 8 0 0 0 0 E E E E Ver Ver Ver
Byte10 Byte11
ETX Checksum
Byte10 Byte11
ETX Checksum