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Remote Control
This section describes:
z
z
z
z
Serial Ports
The switcher has two serial ports that can be connected to a host device such as a computer
running the HyperTerminal utility, an RS-232 capable PDA, or a control system. These ports
make serial control of the switcher possible. The serial ports are:
z
z
The protocol for both ports is as follows:
z
z
Simple Instruction Set
Host-to-Interface Communications
The Extron Simple Instruction Set (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 unit executes the command and sends a response to the host
device. All responses from the unit 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.
Start-up Message
When a local event, such as a front panel operation or error condition, occurs, the unit
responds by sending a message to the host. The unit-initiated messages are listed below:
(c) COPYRIGHT 2009, EXTRON ELECTRONICS FOX 4G SW8,
Vx.xx, 60-984-xx
The switcher issues the copyright message when it first powers on.
version number, 60-984-xx is the part number.
Serial Ports
Simple Instruction Set Control
Universal Switcher Control Program
Button-Label Generator Program
The
rear panel RS-232 port
The
front panel configuration (RS-232)
9600 baud
1 stop bit
Control
™
]]
on a 3-pin captive screw connector
port, a 2.5 mm mini stereo jack
no parity
z
no flow control
z
Extron FOX SW8 • Remote Control
8 data bits
z
is the firmware
Vx.xx
9
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