Videoswitch Vi-Q4/C3, Руководство пользователя

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Vi-Q4/C3 User Manual
Viq602c
4 Command Protocol
Both front and rear RS485 ports are capable of accepting and replying to commands. Replies are only sent
to the port receiving the command.
Character format: 9600 baud, 1 start, 2 stop, no parity
Message format:
Start of
message
Source
address
Dest
Address
Extended
Data
Command Parameter End of Message
[ SS DD XX..XX CC PP ]
where
[ start of message (5B)
SS source address
DD Vi-Q4/C3 address (0,1,2,3 etc or FF= broadcast)
XX.XX Extended data, 0 to 128 bytes depending on command
CC
Command
PP Parameter
] end of message (5D)
Note that, except for start and end characters, all message content comprises pairs of hex-ascii characters.
Videoswitch Ltd 15/26 07/09/15