Dtr - Polycom ViewStation EX Api Manual

dtr

© Polycom, Inc.
Description
This command sets or gets the dtr serial interface control signal (data
terminal ready) to normal or inverted. The default setting for the signal is
"normal" .
Syntax
dtr <normal|inverted|on|get>
Parameter Definition
normal Sets the signal to normal (high voltage is logic 1).
inverted Sets the signal to inverted (low voltage is logic 1).
on Sets constant high voltage. If this option is selected,
inverted is not an option.
get Returns the current setting (normal or inverted).
Example
dtr get
User Interface Screen Location
System Info > Admin Setup > Video Network > Advanced V.35: DTR
V.35/RS-449/RS-530 Commands
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