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Local Host-Control Ports
The switcher has two local ports that can be directly connected to a host device such as
a computer running the Extron DataViewer utility or the HyperTerminal utility, an RS-232
capable PDA, or a control system. These ports make remote control of the switcher possible
using a direct connection. The local ports are:
NOTES: • The rear panel and front panel ports are independent of one another. A
front panel Configuration port connection and a rear panel Remote port
connection can be active at the same time.
• The serial port protocol of both Remote ports and the 2.5 mm stereo jack
Configuration port is:
• 9600 baud • No parity • 8-bit
• No flow control • 1 stop bit
• See “Selecting the Rear Panel Remote Port Protocol and Baud Rate“,
in the “Operation” section to configure the rear panel Remote port from the
front panel.
• Extron recommends leaving the serial ports at 9600 baud only.
• The rear panel Remote (serial) port (see “Remote Connection“ in the “Installation”
section)
• MTPX Plus 128 — An RS-232 only port, a 3-pole captive screw connector
• All other MTPX Plus models — An RS-232 / RS-422 port, a 9-pin D female
connector
• The front panel Configuration port (see “Front Panel Configuration Port“ in the
“Installation” section)
• MTPX Plus 128 — A mini USB B port. A standard USB cable and the Extron
DataViewer utility, version 2.0 or newer, can be used for connection to the
Configuration port.
NOTE: Before you use the MTPX Plus 128 Configuration (USB) port for
the first time, you need to install and activate the USB driver on
your computer. The simplest way to do this is to install version 8.0
or newer of the Matrix Switchers Control Program and then run
the Found New Hardware Wizard (see “Installing the Software“
and “Activating a USB port for the first time“ in the “Matrix
Software“ section).
• All other MTPX Plus models — A 2.5 mm mini stereo jack (RS-232 only) port
NOTE: The optional 9-pin D to 2.5 mm mini jack TRS RS-232 cable, part
#70-335-01 can be used for connection to the Configuration port.
MTPX Plus Series • Programming Guide 74