Full-duplex Speakerphone

DIP Switches

Important!

The DKT2020-FDSP’s full-duplex operation depends on the speaker volume setting. Raising or lowering speaker volume directly affects the performance of the full-duplex operation.

♦Depending on the room’s echo characteristics, raising the volume of the speakerphone can cause the full-duplex operation to deteriorate. When set to maximum volume, it may be necessary to switch to half-duplex operation.

♦The speakerphone will automatically reduce volume in each direction when both the FDSP user and the distant party are talking at the same time. The volume reduction is required to control the echoes at high volume levels. It is possible for surrounding conversations and other sounds to trigger this effect even when you are not speaking.

♦The performance of the DKT2020-FDSP can vary on calls that involve a delay, such as wireless calls, Voice Over Internet Protocol calls, etc. With these types of calls, the quality can diminish.

♦When using the [PDN] or Intercom button, the performance for internal calls is not as good as for external calls.

DIP Switches

The DKT2020-FDSP has DIP switches that enable use for the External Microphone and the international market. The DIP switches are located underneath the flexible button key strip (see Figure 4).

There are three different DIP switch settings for optimum operation in various types of environments:

♦Best – provides full-duplex operation with the Internal or External Microphone. This is ideal for a large enclosed area, such as an office with little echo. Echo varies according to the environment. For instance, a room that is relatively empty has more echo than a room with furniture or items that can absorb sound waves.

♦Good – provides full-duplex operation with the Internal or External Microphone. This is ideal for a small office with high echo.

♦Normal – provides full-duplex operation with the Internal or External Microphone. This works well with an open office area, such as an office cubicle.

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DK specifications

Toshiba DK (Disk Controller) series has established itself as a pivotal component in modern storage solutions, especially in the realms of personal computing and enterprise systems. This innovative disk controller family is designed to enhance performance, efficiency, and reliability, catering to a diverse range of applications from consumer electronics to data centers.

One of the main features of Toshiba DK is its advanced intelligent caching technology. This feature allows for optimized read and write operations, significantly improving the overall response time of data storage systems. The caching mechanism intelligently predicts data access patterns, storing frequently accessed data in high-speed memory to reduce latency and accelerate performance.

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Furthermore, the Toshiba DK series embraces cutting-edge NAND flash technology. The controllers are engineered to work seamlessly with NAND flash memory, achieving impressive read and write speeds while optimizing endurance. This synergy results in high-performance solid-state drives (SSDs) that are not only faster but also more reliable than traditional hard drives.

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In conclusion, Toshiba DK series exemplifies excellence in disk controller technology with its intelligent caching, robust error correction, advanced NAND flash integration, energy efficiency, and broad interface support. These features make Toshiba DK a preferred choice for manufacturers and users alike, ensuring they meet the evolving demands of contemporary data storage.
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