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ASCII Protocol
N−3CM 4000 Installation and Operating Manual
mand, an invalid command format, or an invalid input,
output or level. Invalid inputs, outputs and levels are
logged to the system logger. Also if the system is busy a
ZN will be issued followed by XOFF. When it is again
ready for the next command a XON will be issued. Note
that after the XON, response(s) from the prior command
may be issued (e.g. ZR response(s)).
Router Switcher Control and Status Commands
ZSOOOIIILLLLLLL Switch Request This command causes the interface to issue a TAKE
Switch Request to the routing switcher control system and
affects a single routing switcher output. If no levels are
specified, then ALL defined levels are assumed.
Note: Passwords are not honored by automation protocol
handling.
A remote computer can send a command with multiple
Switch Requests (older releases do not have this capabili-
ty). A single command can be up to 180 characters long
which allows switching of from 12−22 outputs (depending
on the specified levels). An example of a multiple Switch
Request follows:
ZS00000112ZS00100212ZS00200312<CR>
This example
command would switch outputs 0, 1, and 2
on levels 1 and 2.
ZROOO Status Request This command requests current switcher status for a single
output. The response is in the format:
ZROOOIIILLLLLLL
.
If the status for the output is “split”, multiple responses
will be returned.
ZWOOO Watch Output This command causes the interface to watch the specified
output for any changes and report such changes. A request
to watch output “999” is a request to watch all defined