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Communication Protocols
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For other uses of the eight levels and other future features, either the first or
second or both flag values will be non-zero.
When the router has received a valid Config command and after it has
reconfigured itself accordingly, the router sends the following response
message:
*CONFIGURATION <CR>
OUTPUTS (oo) <CR>
INPUTS (ii) <CR>
LEVELS (l) <CR>
FLAG 1(nnn)<CR>
FLAG 2(nnn)!
In addition when the router is powered up the message above is sent with one
of two added lines:
Crosspoints restored from memory!
or
Crosspoint restore failed!
The last flag in this situation is followed by a <CR> in place of the !
character.
"Change": Change protocol
Request: **CHANGE HEX!!
or
**CHANGE NORT!!
The Change commands are used to exit from this protocol to either the
Kramer 2000 protocol or the Generic protocol. When used with the Kramer
2000 protocol the system appears as a maximum of two machines.
Tentatively the eight levels are:
Level 1: Machine 1 video
Level 2: Machine 2 video
Level 3: Machine 1 audio
Level 4: Machine 2 audio
Level 5: Machine 1 RGB Mute
Level 6: Machine 2 RGB Mute
Level 7: Machine 1 audio levels
Level 8: Machine 2 audio levels
When using the “NORT” protocol the system appears as only levels one
through four as follows: