DMP 128 Plus • Remote Control and Configuration 125
Establishing a Network Connection via LAN
1. Open a TCP socket to port 23 using the DMP 128 Plus IP address.
NOTE: If the local system administrators have not changed the value, the factory
specified default, 192.168.254.254, is the correct value for this field.
2. The DMP 128 Plus responds with a copyright message including the date, the name of
the product, firmware version, part number, and the current date/time.
3. If the device is password protected, enter the appropriate administrator or user
password.
a. If the password is accepted, the device responds with Login User or Login
Administrator.
b. If the password is not accepted, the Password prompt reappears.
NOTES:
• The Ethernet link times out after a designated period of time of no communications.
By default, the timeout value is set to 5 minutes and can be changed (see Set
global IP port timeout on page129).
• Extron recommends leaving the default timeout at 5 minutes and periodically
issuing the Query (Q) command to keep the connection active. If there are long idle
periods, disconnect the socket and reopen the connection when another command
must be sent.
USB Config Port
The DMP 128 Plus has a front panel USB port that can be connected to a computer as a
host device running either the HyperTerminal or DataViewer utilities for control of the device.
Once a connection is established, SIS programming can begin (see Host-to-Device
Communications on the next page).
Verbose Mode
Telnet connections are used to monitor changes that occur, such as commands from
other Telnet sockets or a serial port. For a Telnet session to receive change notices, the
Telnet session must be in verbose mode 1 or 3 (see Set verbose mode on page132).
In verbose mode 1 or 3, the Telnet socket reports changes in messages that resemble SIS
command responses.
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