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Page 146
BrightEye NXT 450 Clean Streaming Router
Installation, Configuration and Operations Guide
Crosspoint Select Command
Description:
This command requests switching the specified video source to the specified
destination. Note that the audio crosspoint specified will have no effect; however, it
must be a legal ASCII decimal digit from 0 to 9.
Syntax:
<STX><Dest High><Dest Low><Video Src><Audio Src>
<STX>
Start character (02H)
<Dest High>
High byte of destination number.
Valid range is ‘0’ to ‘9’ (30H to 39H)
<Dest Low>
Low byte of destination number.
Valid range is ‘0’ to ‘9’ (30H to 39H)
<Video Src>
Video source number.
Valid range is ‘0’ to ‘9’ (30H to 39H)
<Audio Src>
Audio source number.
Valid range is ‘0’ to ‘9’ (30H to 39H)
Example:
Request switching video source 4 to destination 0. In this example, we specify an
arbitrary audio source number of 9 which will be ignored.
Request:
In Hex
02 30 30 34 39
In
ASCII
<STX>0049
Response:
In Hex
34 30 33
In
ASCII
403
Notes:
If the video source requested is not valid for the specified destination, the response
will return the current video source that is assigned to that destination.
If the destination number specified is invalid, the command is invalid and there is no
response.
