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Remote
Configuration
and Control
This section describes the connection through which the FOX T/R USB Extender Plus can
be configured and controlled remotely via SIS commands, and describes the commands
that are available. The following topics are covered:
•
•
•
•
•
SIS Commands
The FOX T/R USB Extender Plus can be remotely set up and controlled via a host
computer (such as a computer connected to the same port) or other device (such as a
control system). The host device must be attached to the front panel Config port of either
the transmitter or receiver. See
information on connecting to this port.
You can issue SIS commands to the extender using your computer RS-232 interface
with a communication software program such as Extron DataViewer, available at
www.extron.com, or HyperTerminal.
NOTE: All SIS commands except those enabling peripheral emulation must be issued
Host-to-Extender Communications
SIS commands consist of one or more characters per field. No special characters are
required to begin or end a command sequence. When the FOX T/R USB Extender Plus
determines that a command is valid, it executes the command and sends a response to the
host device. Most responses from the extender 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.
SIS Commands
Host-to-Extender Communications
Extender-initiated Messages
Error Responses
Using the Command and Response Table
to both the transmitter and receiver. For example, after connecting the host computer
to the transmitter and issuing commands, you must disconnect the RS-232 cable
from the transmitter, connect the cable to the receiver, then reissue the same
commands to the receiver.
FOX T/R USB Extender Plus • Remote Configuration and Control
Connecting for Serial Communication
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