Telnet Tips

It is not the intention of this guide to detail all of the operations and functionality of Telnet; however, some basic level of understanding is necessary for operating the MPX 866 A matrix switcher via Telnet.

Open

Connect to the MPX 866 A matrix switcher using the Open command. Once you are connected to the switcher, you can enter the SIS commands the same as you would if you were using the RS-232 of RS-422 link.

Connect to the MPX 866 A matrix switcher as follows:

1.At the Telnet prompt, type open {IP address} and then press <Enter>.

If the switcher is not password protected, no further prompts are displayed until you break or disconnect the connection to the matrix switcher.

If the switcher is password protected, Telnet displays the password prompt.

2.If necessary, at the password prompt, type the appropriate password and then press

<Enter>.

Connection to the switcher via the Ethernet can be password protected. There are two levels of password protection: administrator and user. A person logged on as an administrator has full access to all matrix switcher switching capabilities and editing functions. Users can create ties, set mutes, and view all settings with the exception of passwords. By default, the MPX 866 A matrix switcher is shipped with both passwords set to {carriage return}.

Once you are logged in, the switcher returns either Login Administrator or Login User. No further prompts are displayed until you break or disconnect the connection to the MPX 866 A matrix switcher.

Escape character and Esc key

When Telnet is first started, the utility advises that the Escape character is ‘Ctrl+]’. Many SIS commands include the keyboard <Esc> key. Consequently, some confusion may exist between the Escape character and the Escape key.

The Telnet Escape character is a key combination, the <Ctrl> key and the <]> key pressed simultaneously, which returns you to the Telnet prompt while leaving the connection to the MPX 866 A matrix switcher intact.

The Escape key is the <Esc> key on the computer keyboard.

Local echo

Once connected to the MPX 866 A matrix switcher, by default, Telnet does not display your keystrokes on the screen. SIS commands are typed in blindly and only the SIS responses are displayed on the screen. To command Telnet to show keystrokes, at the Telnet prompt, type set local_echo and then press <Enter> before you open the connection to the switcher.

With local echo turned on, keystrokes and the responses of the switcher are displayed on the same line. For example: 1*1!In1 Out1 All, where 1*1! is the SIS command and In1 Out1 All is the response.

With local echo turned on, all keystrokes are displayed, even those that should be masked, such as the password entry. For example, when entering a password with local echo turned on, you see a display such as a*d*m*i*n*, where admin is the keyed in password and

*****is the masked response.

You can turn off local echo by typing unset local_echo and then pressing <Enter> at the Telnet prompt. If you are connected to the MPX 866 A matrix switcher and need to access the Telnet prompt to turn local echo off, type the Escape character (<Ctrl>+<]>).

MPX 866 A Media Presentation Matrix Switcher • Ethernet Connection 117

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Extron electronic MPX 866 A manual Telnet Tips, Open, Escape character and Esc key, Local echo
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MPX 866 A specifications

The Extron MPX 866 A is a powerful multimedia presentation switcher known for its robust functionality and advanced features, ideal for a range of professional environments, particularly in education, corporate, and broadcasting sectors. This device is designed to facilitate seamless switching between multiple audio and video sources, ensuring a smooth and professional presentation experience.

One of the standout features of the MPX 866 A is its ability to handle a variety of input formats, including HDMI, DisplayPort, and analog video signals. This versatility allows users to easily connect different devices, such as laptops, projectors, and video conferencing systems, without the need for additional adapters or converters. The unit supports resolutions up to 4K at 60 Hz, making it suitable for high-definition content display.

The switcher is equipped with Extron’s unique Seamless Switching technology, which provides instantaneous switching between sources without noticeable delays or interruptions. This is particularly beneficial in fast-paced environments where timing is crucial, such as live events or presentations.

Another significant aspect of the MPX 866 A is its advanced audio handling capabilities. It includes integrated audio embedding and de-embedding, allowing users to manage audio signals effectively without compromising quality. The built-in audio delay feature ensures synchronization between audio and video, an essential consideration for professional settings.

For ease of operation, the MPX 866 A offers customizable control options. Users can manage the device through various interfaces, including Extron's user-friendly GUI, third-party control systems, and RS-232 commands. This flexibility makes it easier to integrate the switcher into existing AV setups.

Additionally, the unit incorporates powerful scaling technology, which optimizes image quality by adjusting the resolution of the incoming video signals to match the display capabilities of the output device. This ensures that content appears crisp and clear, regardless of the source resolution.

The MPX 866 A is also designed with reliability in mind, featuring robust construction and a fanless design for silent operation. This makes it suitable for environments where noise reduction is critical.

Overall, the Extron MPX 866 A stands out as a versatile, feature-rich multimedia switcher that enhances the presentation experience. Its advanced technologies and characteristics make it an excellent choice for professionals looking to elevate their audio-visual communication.
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