Kramer VS-62HA

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VS-62HA - Packet Protocol Structure
17 Packet Protocol Structure
The packet protocol is designed to transfer large amounts of data, such as
files, IR commands, EDID data, etc.
17.1 Using the Packet Protocol
To use the packet protocol:
10. Send a command: LDRV, LOAD, IROUT, LDEDID
11. Receive Ready or ERR###
12. If Ready:
 Send a packet
 Receive OK on the last packet
 Receive OK for the command
13. Packet structure:
 Packet ID (1, 2, 3…) (2 bytes in length)
 Length (data length + 2 for CRC) - (2 bytes in length)
 Data (data length -2 bytes)
 CRC - 2 bytes
01
02
03
04
05…
Packet ID
Length
Data
CRC
14. Response:
~NNNNSPOKCR LF
Where NNNN is the received packet ID in ASCII hex digits.