Application Note 65
Quartz Routing Switcher Remote Control Protocol
Revision 1.4 Page - 9
The router replies to the command with
.A (cr)
3.4. INTERROGATE ROUTE
This allows a single destination to be interrogated to find the current source routed to it
.I{level}{dest}(cr)
The router replies with
.A{level}{dest},{srce}(cr)
Please note that destinations that have been routed via tielines modify the returned source value to
indicate the control level the source has been routed from. If systems ignore the level information then
only the lower 12 bits of the source value should be used. For more information please refer to section
3.1.
Example ‘C’ code to interrogate a crosspoint on levels 1, 2, & 3.
level = “V”; /* levels to be controlled */
dest = 5; /* matrix output */
RS232_printf(".I%s%d\r", level, dest);
3.5. CONNECT ROUTES
This command is reserved for later use but will have the following format.
This allows up to 4 crosspoints to be set in a single command line.
.C{level}{dest},{srce} {level}{dest},{srce} .. (cr)
The lev,dest,srce part of the message can be repeated up to 4 times with a space between each
group.
3.6. LIST ROUTES
This command allows a block of up to 8 routes to be interrogated. The command has 2 formats. In
both cases the command specifies a level and start destination. The router replies with a list of up to 8
routes. Less than 8 routes are returned if the maximum destination is exceeded, or the search
conditions are not met.
Format (1): List from the specified destination showing current sources.
.L{level}{dest},-(cr)
The router replies with
.A{level}{dest},{srce}{level}{dest},{srce} ... {level}{dest},{srce}(cr)
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