Sierra Video 3232HD-3G - Manual (Page 58)

SIERRA VIDEO
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“Q”: Model Name and Software Version Inquiry
The command "Q" requests that the routing switcher 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 routing switcher
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 !!<CR>
indicating that the routing switcher model name is "Small" and the software version number is
"V2.1".
“L”: Routing Switcher Size and Level Names Inquiry
The command "L" requests that routing switcher size and level name information 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, a
comma, the number of levels, a comma, the number of inputs, a comma, and then the level
names, each terminated by a "~" (tilde), and the last followed by two tildes.
For example, the command:
**L!!
might return the following string:
** L64,3,32,VIDEO~AudioL~AudioR~~ OK !!
indicating that the routing switcher has 64 outputs, 3 levels, and 32 inputs, and the levels are
named "VIDEO", "Audio L", and "Audio R".
“N”: Source Status Inquiry
The command "N" requests that status information for a single source be returned to the host.
The status information is sent as one or more "Y" and/or "X" commands.
For example, the command:
**N4!!
to a router might have the following commands as its response:
** X12,4,1 X12,4,2 X12,4,3 X13,4,4 Y23,4 !!
showing that source 4 connects to
 destination 12 on levels 1-3,
 destination 13 on level 4, and
 destination 23 on all levels.