Appendix C
smarttech.com/kb/171744 87
Appendix C: Managing the display using RS-232
Enabling room control on the display 88
Configuring the computer’s serial interface settings 88
Commands and responses 89
Power states 91
Commands 92
You can connect an RS-232 cable from a computer or a control system’s serial output to the display’s
RS-232in connector to remotely select video inputs, turn the display on or off, and get information about
the display’s current settings, such as volume and power state.
IMPORTANT
Use only a standard RS-232 cable. Do not use a null modem cable. Null modem cables typically have
ends of the same type.
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