Overview

On 4th August 1998 the European Council Decision regarding the CTR 21 has been published in the Official Journal of the EC. The CTR 21 applies to all non voice terminal equipment with DTMF-dialling which is intended to be connected to the analogue PSTN (Public Switched Telephone Network).

CTR 21 (Common Technical Regulation) for the attachment requirements for connection to the analogue public switched telephone networks of terminal equipment (excluding terminal equipment supporting the voice telephony justified case service) in which network addressing, if provided, is by means of dual tone multi-frequency signalling.

Network Compatibility Declaration

Statement to be made by the manufacturer to the Notified Body and the vendor: “This declaration will indicate the networks with which the equipment is designed to work and any notified networks with which the equipment may have inter- working difficulties.”

Statement to be made by the manufacturer to the user: “This declaration will indicate the networks with which the equipment is designed to work and any notified networks with which the equipment may have inter-working difficulties. The manufacturer shall also associate a statement to make it clear where network compatibility is dependent on physical and software switch settings. It will also advise the user to contact the vendor if it is desired to use the equipment on another network.”

Up to now the Notified Body of CETECOM issued several pan-European approvals using CTR 21. The results are Europe’s first modems which do not require regulatory approvals in each individual European country.

Non-Voice Equipment

Answering machines and loud-speaking telephones can be eligible as well as modems, fax machines, auto-dialers and alarm systems. Equipment in which the end-to-end quality of speech is controlled by regulations (e.g. handset telephones and in some countries also cordless telephones) is excluded.

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Asus E9188 manual Overview, Network Compatibility Declaration, Non-Voice Equipment
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E9188 specifications

The Asus E9188 is a sophisticated piece of technology that stands out in the crowded market of consumer electronics. This innovative device combines cutting-edge features with an elegant design, catering to various user needs, whether for gaming, professional productivity, or multimedia entertainment.

At the core of the Asus E9188 is its powerful processing capabilities. The device is equipped with a high-performance processor that ensures smooth execution of applications and multitasking. This makes it an appealing choice for gamers seeking low latency and high frame rates, as well as professionals requiring fast and reliable performance for resource-intensive tasks like video editing or 3D rendering.

One of the defining characteristics of the E9188 is its stunning display. Featuring a high-resolution screen with vibrant colors and excellent contrast, it delivers an immersive viewing experience. The panel technology used in the display enhances visual clarity and color accuracy, making it suitable for creative tasks that demand precision. Whether watching movies, playing games, or working on detailed graphics, users can expect a premium visual experience.

Connectivity is another significant aspect of the Asus E9188. It offers a comprehensive array of ports, including USB-C, HDMI, and traditional USB-A ports, allowing users to connect various peripherals with ease. This versatility ensures that users can extend their workspace or connect to external displays without hassle. In addition, the device supports high-speed wireless connectivity options, including Wi-Fi 6, ensuring fast internet access and seamless streaming of content.

The E9188 also prioritizes user comfort and convenience with its ergonomic design. The device features a comfortable keyboard with responsive keys, making it ideal for prolonged typing sessions. Furthermore, its lightweight construction enhances portability, allowing users to take it on the go without feeling burdened.

Battery life is crucial for any modern device, and the Asus E9188 does not disappoint. It boasts an impressive battery life that can last through a full day of typical usage without the need for frequent recharging. This functionality is perfect for individuals who are always on the move, providing peace of mind that their device can keep up with their daily demands.

In conclusion, the Asus E9188 is a versatile and powerful device that excels in performance, display quality, connectivity, and design. With its combination of cutting-edge technology and user-friendly features, it is well-suited for anyone looking for a device that adapts to their lifestyle, whether for work, play, or creative endeavors.
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