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SW2 DP • Remote Configuration and Control 1515
Remote
Configuration and
Control
This section describes remote operation of the SW2 DP. Topics include:
• Using Simple Instruction Set (SIS) Commands
• Updating Firmware Using Firmware Loader
Using Simple Instruction Set (SIS) Commands
The SW2 DP can be remotely set up and controlled via a host computer or other device
(such as a control system) that is attached to the rear panel Remote port. Extron Simple
Instruction Set (SIS) commands are issued from the computer and transmitted to the
SW2 DP via RS-232 (see “Wiring for RS-232 Control” on page 5 or “Connecting to the
USB Port” on page 6 to connect to these ports).
Host-to-switcher Communications
SIS commands consist of one or more characters per field. No special characters are required
to begin or end a command sequence. Enter these commands on your computer and send
them to the SW2 DP using a communication software program such as Extron DataViewer.
When the switcher determines that a command is valid, it executes the command and sends
a response back to the host computer.
Most responses from the SW2 DP to the host computer 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.
Switcher-initiated Messages
When a local event such as an input selection takes place, the switcher responds by sending
a message to the host, indicating what selection was entered. No response is required from
the host.
The following switcher-initiated message is sent when the switcher first powers up under
RS-232 control:
(C) Copyright 20nn, Extron Electronics DisplayPort Switcher, Vn.nn, 60-nnnn-nn
where 20nn is the year, Vn.nn is the firmware version number, and 60-nnnn-nn is the part
number of the unit.
NOTE: This copyright message is displayed only at switcher power-up and only under
RS-232 control.