V.34 Modulation Mode Characteristics

V.34 modulation mode characteristics are as follows.

Data Rate: 2.4, 4.8, 7.2, 9.6, 12.0, 14.4, 16.8, 19.2, 21.6, 24.0, 26.4, 28.8, 31.2, and 33.6 kbps

Baud Rate: 2400, 2743, 3000, 3200, and 3429. Some baud rates do not support all data rates.

Carrier Frequency: 1600, 1646, 1800, 1829, 1920, 1959, and 2000 Hz. Some baud rates do not support all carrier frequencies.

Modulation: V.34 is a four-dimensional trellis-coded modulation standard that uses precoding and pre-emphasis equalization schemes.

Compatibility in V.34 Modulation Mode

326XFAST Series Modems (operating in V.34 Auto modulation mode), are compatible with modems that do not support theV.34 modulation mode, by automatically negotiating the highest common modulation mode (e.g., V.32bis).

V.90 Compatibility: Release 8.1 software enables 326X modems to operate with V.90 modems in dial-up connections. With this software, 326X modems can communicate with V.90 modems and negotiate V.34 rates. The release does not provide 56kbps rates for 326X modems, nor 326X rates higher than the V.34 33.6 kbps standard. An upgrade to 8.1 is not required for modems used only in leased-line applications.

Synchronous Data Compression (SDC) Feature

The 326XFAST Series Modem is available in a synchronous data compression (SDC) model. 326XFAST products offer all the features of the 326XFAST family, plus synchronous DTE rates at 72.0 kbps or higher.

The 326XFAST-SDC Modem is an ideal alternative to costly digital services. Whether your application requires dedicated bandwidth, bandwidth on demand, synchronous dial-up, or dial backup, the 326X-SDC provides optimum throughput for all HDLC/SDLC-like environments, such as X.25, Systems Networking Architecture (SNA), Statistical Multiplexer, and Router networks.

Refer to Chapter 4, Configuring the Modem, for details.

The synchronous data compression feature in the 326XFAST-SDC Modem is Tele- netics’ proprietary technology.

Automode/Multimode Feature

Using Automode/Multimode, the modem can automatically negotiate the highest common modulation speed (within a modulation mode) with another modem.

About the Modem

About the Modem 1-7

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Telenetics V.34-SDC Synchronous Data Compression SDC Feature, Automode/Multimode Feature, Modulation Mode Characteristics
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326X V.34, V.32bis Series, V.34-SDC specifications

Telenetics has been a key player in the field of telecommunications, offering advanced modem solutions that cater to diverse communication needs. Among their notable products are the V.34-SDC and V.32bis series, including the 326X V.34 modem. These modems have been designed to enhance data transmission reliability and speed in various applications.

The Telenetics V.34-SDC modem represents a significant leap in technology, supporting data rates of up to 28.8 Kbps. This modem utilizes the advanced V.34 modulation scheme, which optimizes the use of existing telephone lines to deliver impressive performance, especially for users requiring high-speed data transmission. The V.34-SDC model also features robust error correction and data compression techniques, ensuring that users receive accurate data even over less than ideal connections. With its extended line-conditioning capabilities, the V.34-SDC modem can efficiently handle long distances and poor line conditions.

Equally noteworthy is the V.32bis series, which provides backward compatibility with V.32 modems, enabling seamless integration into existing systems. Capable of speeds up to 14.4 Kbps, the V.32bis modems are ideal for businesses and environments where legacy systems remain in use. It features adaptive equalization and advanced echo cancellation, ensuring a clear signal is maintained throughout the data transmission process. This versatility allows users to connect with various devices across different infrastructures.

The 326X V.34 modem further exemplifies Telenetics' commitment to high performance. It combines the V.34 capabilities with enhanced security features, offering users encryption options for sensitive data. This is particularly crucial for businesses that need to safeguard their information against potential vulnerabilities during transmission. The 326X also supports various data communication protocols, making it adaptable for multiple platforms and applications.

In summary, Telenetics’ V.34-SDC, V.32bis series, and 326X V.34 modems stand out for their high-speed data transmission, compatibility, advanced error correction, and security features. These technologies make them excellent choices for both enterprise and networking applications where reliable communication is vital. Telenetics continues to innovate, delivering modem solutions that meet the evolving demands of the telecommunications landscape.
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