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Remote Operations
SYNC Byte = 16h (Always.)
Data Count = 00 00h
Source Address = FFh
Destination Address = 20h = 32 decimal
Frame Sequence Number = 01h
Opcode = 20 01h
Checksum = 41h
Transmit Packet:
16 00 00 FF 20 01 20 01 41
Response Packet:
16 00 01 20 FF 01 00 00 02 23
Error Response = 00 00 (Command OK)
Control Mode = 02. (Computer)
Example #2
Query Common Control Mode with BAD Opcode
Example Parameters:
SYNC Byte = 16h (Always.)
Data Count = 00 00h
Source Address = FFh
Destination Address = 20h = 32 decimal
Frame Sequence Number = 01h
Opcode = 20 0Fh (BAD Opcode)
Checksum = 4Fh
Transmit Packet:
16 00 00 FF 20 01 20 0F 4F
Response Packet:
16 00 00 20 FF 01 00 02 22
Error Response = 00 02
Example #3
Command Mod Data rate
Example Parameters:
SYNC Byte = 16h (Always.)
Data Count = 00 04h
Source Address = FFh
Destination Address = 2Ch = 44 decimal
Frame Sequence Number = 01h
Opcode = 22 41h
Data = 00 7A 12 00h
Checksum = 1Fh
Transmit Packet:
16 00 04 FF 2C 01 22 41 00 7A 12 00 1F
Response Packet:
16 00 00 2C FF 01 00 00 2C
Error Response = 00 00 (Command OK)
C-8
QAM256 Digital Video Modulator and Upconverter
TM077 – Rev. 4.0
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