Sierra Video RTR-804 - Manual (Page 20)

SIERRA VIDEO
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indicating that the router supports the I, L, S, and X commands from the host.
"Q": Model Name and Software Version Inquiry
From Syntax Description
Host Q
Ask router to send the model name string and
software version number string.
Router Qmodel~version~
Model name string and software version
number string.
The command "Q" requests that the router model name and software version number string be
returned to the host. The information is sent as a string of characters. The first characters are a
space followed by "Q", the next characters are the router model name, terminated by a "~" (tilde).
Following this are the characters of the software version number string, again terminated by a "~"
(tilde).
For example, the command:
**Q!!
might return the following string:
** QSmall~V2.1~ OK !!
indicating that the router model name is "Small" and the software version number is "V2.1".
"L": Matrix Size and Level Names Inquiry
From Syntax Description
Host L
Ask router to
send router
matrix size,
level names,
and level
information.
Router L[O[(#,#...)]][S[(#,#...)]][P[(#[=#][M][L],...)]]Nout,Nlvl,Nin,lvl1~lvl2~...lvlN~~
Matrix size,
level names,
and level
information.
The command "L" requests that matrix size (Nout, Nlvl, Nin) and level name information (lvl1, lvl2,
etc.) be returned to the host. The information is sent as a string of characters. The first characters
are a space followed by "L", some optional values described below, then the number of outputs
(Nout), a comma, the number of levels (Nlvl), a comma, the number of inputs (Nin), a comma,
and then the level names, each terminated by a "~" (tilde), and the last followed by two tildes.
Routers can provide names for inputs, outputs, and levels. The number of characters in a name
can vary depending on the router model. The "L" command provides access only to level names,
and furthermore, it truncates any level name that is longer than 6 characters to only 6 characters,
in order to retain compatibility with older routers and controlling devices that limited level names