Appendix B - Wireless Technology

WPA2

Also know as IEEE 802.11i, is an amendment to the 802.11 standard specifying security mechanisms for wireless networks. The 802.11i scheme makes use of the Advanced Encryption Standard (AES) block cipher; WEP and WPA use the RC4 stream cipher.

The 802.11i architecture contains the following components: 802.1X for authentication (entailing the use of EAP and an authentication server), RSN for keeping track of associations, and AES-based CCMP to provide confidentiality, integrity and origin authentication.

WPA2 implements the full standard, but will not work with some older network cards. Both provide good security, with two significant issues:

-either WPA or WPA2 must be enabled and chosen in preference to WEP. WEP is usually presented as the first security choice in most installation instructions.

-in the "Personal" mode, the most likely choice for homes and small offices, a passphrase is required that, for full security, must be longer than the typical 6 to 8 character passwords users are taught to employ.

With the RC4 released to the general public the IEEE implemented the Advanced

Encryption Standard (AES) as the cipher engine for 802.11i, which the Wi-Fi

Alliance has branded as WPA2.

FIG. 97 WPA2 Overview

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Modero Touch Panels

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AMX NXD-700Vi manual WPA2
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NXD-700Vi specifications

The AMX NXD-700Vi is a cutting-edge touchscreen control panel designed to enhance the user experience in various AV environments, including conference rooms, classrooms, and home theaters. Featuring a sleek and modern design, the NXD-700Vi combines advanced technology with an intuitive interface, making it an ideal solution for both commercial and residential applications.

At the heart of the NXD-700Vi is a 7-inch high-resolution LCD touchscreen, which delivers vibrant colors and crisp details, ensuring that users can easily navigate through the various functionalities and options available. The screen is equipped with an anti-glare coating that allows for optimal visibility in different lighting conditions, making it suitable for any setting.

One of the standout features of the NXD-700Vi is its customizable interface. Users can personalize the layout and graphics, tailoring the control panel to meet specific needs or branding requirements. This flexibility not only enhances usability but also provides a unique touch that can resonate with the intended audience.

The NXD-700Vi employs advanced networking capabilities, allowing for seamless integration with a wide array of AV devices and systems. It supports Ethernet connectivity, enabling users to control various devices from anywhere within the network. This flexibility is particularly useful in large installations where managing multiple systems can be cumbersome.

In addition to its networking capabilities, the NXD-700Vi incorporates infrared (IR) control, enabling it to communicate directly with many AV components. This dual-functionality ensures that users can manage their complete AV setup, including projectors, audio systems, and lighting, all from a single interface.

Another notable characteristic of the NXD-700Vi is its robust security features. The panel can be configured to restrict access to certain functions or settings, ensuring that sensitive content or equipment is protected from unauthorized use. This is particularly critical in environments where information security is paramount.

The unit is also designed for easy installation and management. With a built-in web server, users can configure the NXD-700Vi remotely, streamlining setup and maintenance. This feature reduces the need for on-site visits, saving both time and resources.

Overall, the AMX NXD-700Vi stands out as a sophisticated, versatile solution for modern AV control needs. With its intuitive touchscreen, customizable interface, and comprehensive integration capabilities, it is an essential tool for enhancing control and interaction in both commercial and residential environments.
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