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Connection timeouts
The Ethernet link times out and disconnects after a designated period of time of no
communications. By default, this timeout value is set to 5 minutes but the value can be
changed (see
NOTE: Extron recommends leaving the default timeout at 5 minutes and periodically
issuing the Query (Q) command to keep the connection active or disconnecting the
socket and reopening the connection when necessary.
Number of connections
A switcher can have up to 200 simultaneous TCP connections, including all HTTP sockets
and Telnet connections. When the connection limit is reached, the switcher accepts no new
connections until some have been closed. No error message or indication is given that the
connection limit has been reached. To maximize performance of your switcher, keep the
number of connections low and close unnecessary open sockets.
Verbose mode
Telnet connections to a switcher can be used to monitor for changes that occur on the
switcher, such as front panel operations and SIS commands from other Telnet sockets or
a serial port. For a Telnet session to receive change notices from the switcher, the Telnet
session must be in verbose mode 1 or 3 (see
verbose mode 3, the Telnet socket reports changes using messages that resemble SIS
command responses.
Establishing a USB Port Connection
A standard USB cable and the Extron DataViewer utility, version 2.0 or newer, can be used
for connection to the MTPX Plus 128 CONFIG port. The USB cable should be terminated on
one end with a mini USB B male connector
NOTE: Before you use the USB port for the first time, install the USB driver on your
computer. The simplest way to do this is to install version 7.7 or newer of the Matrix
Switchers Control Program and then run the Found New Hardware Wizard (see
Installing the Program
on page 23).
Host-to-switcher Instructions
The switcher accepts SIS commands through either serial port, the USB port, or the LAN
port. SIS commands consist of one or more characters per command field. They do not
require any special characters to begin or end the command character sequence. Each
switcher response to an SIS command ends 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.
NOTE: The table that begins on the next page is a partial list of SIS commands. For a
complete listing, refer to the MTPX Plus User Manual.
Configure current port timeout
on page 23 and
MTPX Plus Series Setup Guide • Remote Control and Optimizing the Video
on page 22).
Set verbose mode
on page 22). In
First-time Connection Considerations
15
15
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