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SIS Configuration
and Control
Use Simple Instruction Set (SIS) commands to configure the DAC 102. This section provides
information about using those commands. Topics include:
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•
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Host Control Port
Rear Panel Configuration USB Port
The rear panel POWER/CONFIG USB mini-B port (see figure 2,
connected to a host computer for configuration using SIS commands. To connect the
decoder to a host computer, download the USB driver, follow the on-screen instructions,
and configure the decoder as required.
Simple Instruction Set Control
Host-to-Unit Instructions
SIS commands consist of one or more characters per field. No special characters are
required to begin or end a command character sequence. When a command is valid, the
decoder executes the command and sends a response to the host device. All responses
from the decoder to the host end with a carriage return and a line feed (CR/LF = ] ), which
signals the end of the response character string. A string is one or more characters.
Device-Initiated Power-Up Message
When a local event such as a front panel selection or change in signal status takes place,
the decoder responds by sending a message to the host, indicating what change has
occurred. No response is required from the host.
When the decoder completes its start-up, it issues the following message to the host:
© Copyright 2019, Extron DAC 102, Vx.xx, 60-1811-01 ]
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NOTE: This message is displayed at power-up with the USB connection only.
Timeout
Pauses of 10 seconds or longer between command ASCII characters result in a timeout.
The command operation is aborted with no other indication.
Host Control Port
Simple Instruction Set Control
Command and Response Table for SIS Commands
Vx.xx is the firmware version number.
on page 4) can be
A
DAC 102 • SIS Configuration and Control
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