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SIS Commands
This section provides information about the SIS commands that are used to configure the
HDMI DA2. The following topics are discussed:
z Introduction to SIS
z Symbols Used in this Guide
z Command and Response Table for SIS Commands
Introduction to SIS
The HDMI DA2 accepts SIS commands from a host device such as a computer running
the Extron DataViewer utility or other control system. The host device can be connected
to the 3-pin captive screw connector on the rear panel or to the config port on the front
panel. To connect to the cong port, use the optional Extron 9-pin D female to 2.5 mm TRS
Configuration cable (part number 70-335-01).
The protocol is 9600 baud, 8 data bit, 1 stop bit, and no parity.
NOTES: • The wiring in the RS-232 cables crosses over so that the HDMI DA2 transmit (Tx)
wire connects with the control device receive (Rx) and vice versa.
• Only one serial port can be used at a time. If the front port is in use, the rear
captive screw connector must be disconnected from the computer or other
control device. Likewise, if the captive screw port is in use, the config port on the
front panel must be disconnected from the computer or other control device.
SIS commands consist of strings (one or more characters per command eld). Unless otherwise
stated, upper and lower case characters can be used interchangeably. Commands do not
require any special characters to begin or end the command string. Each response from the
HDMI DA2 ends with a carriage return and a line feed (CR/LF =
]), which signals the end of
the response character string.
When the HDMI DA2 is rst switched on, it sends the message:
(c)
Copyright 2012, Extron Electronics HDMI DA Series, V x.xx,
60‑997‑01] where 60‑997‑01 is the catalog part number and V x.xx is the firmware
version number.
HDMI DA2 • SIS Commands 17