Kramer Electronics VP-28 - Manual (Page 37)

VP-28 - Kramer Protocol 33 33
Commands chaining:
It is possible to enter multiple commands in same string by '|' char (pipe).
In this case the message starting char and the message closing char will be entered just one time,
in the string beginning and at the end.
All the commands in string will not execute until the closing char will be entered.
Separate response will be sent for every command in the chain.
Input string max length:
64 characters.
The following table lists the instruction codes for Protocol 3000.
Help commands
Command Syntax Response
Protocol Handshaking # CR ~OK CRLF
Device initiated messages
Command Syntax
Start message Kramer Electronics LTD. , Device Model
Version Software Version
Switcher actions
Audio-video channel has switched (AFV mode) AV IN>OUT
Video channel has switched (Breakaway mode) VID IN>OUT
Audio channel has switched (Breakaway mode) AUD IN>OUT
Result codes (errors)
Syntax
No error. Command running succeeded COMMAND PARAMETERS OK
Protocol Errors
Syntax Error
ERR001
Command not available for this device ERR002
Parameter is out of range ERR003
Unauthorized access (running command without the match login). ERR004
Basic routing commands
Command Syntax Response
Switch audio & video AV IN>OUT, IN>OUT, … AV IN>OUT, IN>OUT,…RESULT
Switch video only VID IN>OUT, IN>OUT, …
Short form: V IN>OUT, IN>OUT, … VID IN>OUT, IN>OUT, …RESULT
Note:
When AFV mode is active, this command will switch also audio. If audio is breakaway – device display mode will
change to show audio connections status.
Switch audio only AUD IN>OUT, IN>OUT, …
Short form: A IN>OUT, IN>OUT, … AUD IN>OUT, IN>OUT, …RESULT
Note: When AFV mode is active, this command will switch also video.
Read video
connection
VID? OUT
Short form: V? OUT
VID? *
VID IN>OUT
VID IN>1, IN>2, …