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SIS Programming
and Control
This section provides instructions on using the Extron Simple Instruction Set (SIS) commands,
which you can use to set up and control the IPL T PC1 from a host computer or other control
system attached to the rear panel LAN port. The following topics are discussed:
• Host-to-Interface Communication
• Using the Command and Response Table
• Symbol Definitions
• Command and Response Table for SIS Commands
As shipped, the PC1 works as a standalone interface, but cannot control any other devices
until it is configured. You can set up and control the PC1 by using the front panel, the web
pages, Global Configurator, or SIS commands. Both the web pages and the SIS methods are
accessed via Ethernet LAN connection. The LAN port defaults are:
IPL T PC1 IP address:
192.168.254.254
Gateway IP address:
0.0.0.0
Subnet mask:
255.255.0.0
DHCP: Off
Host-to-Interface Communication
SIS commands consist of one or more characters per field. No special characters are required
to begin or end a command sequence. When the PC1 determines that a command is valid,
it executes the command and sends a response to the host device. All responses from the
interface 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.)
Messages Initiated by the IPL T PC1
When a local event such as a front panel selection or adjustment takes place, the PC1
responds by sending a message to the host. No response is required from the host. The
following PC1-initiated messages are sent (underlined):
© Copyright 2011, Extron Electronics, IPL T PC1[i], Vn.nn, 60-544-nn]
Www, DD Mmm 2011 HH:MM:SS]
The PC1 sends the boot and copyright messages when it first powers on and is connected
via Telnet or TCP/IP. Vn.nn is the firmware version number; 60-544-nn is the product part
number. The current date and time are displayed. If you are using a Telnet connection, the
copyright message, date, and time are followed by a password prompt.
47IPL T PC1 • SIS Programming and Control