Configure Branch

Table 9-6

(3 of 6)

V.42/MNP/Buffer Configuration Options

*EC Negotiat Bfr: Disable

Nxt Disable Enable Disab&Switch

Error Control Negotiate Buffer. Determines if the answering modem buffers the data that it received from the remote modem during an interval in which the modem attempts to establish a connection using error control. Online changes do not take effect until a disconnect occurs.

Disable – Data is not buffered during the link negotiating (handshaking) sequence.

Enable – Data is buffered while the link is being established. Initialization data is not passed on the DTE during the handshaking sequence.

Disable and Switch – Data is not buffered during the handshaking sequence. However, when the modem receives an error control fallback character, it switches to Buffer mode. (See EC Fallback Char configuration option.)

The factory default is Disable.

AT command for Disable is \C0.

AT command for Enable is \C1.

AT command for Disab&Switch is \C2.

*EC Fallbck Char: 013 ASCI

Nxt " 013 ASCI

Error Control Fallback Character. This configuration option allows you to enter the ASCII value of the error control fallback character. This provides the remote modem with the ability to end the error control link negotiating (handshaking) sequence by sending this character. The modems will connect in Buffer mode (no error control). Online changes do not take effect until a disconnect occurs.

When the modem receives this fallback character it switches to Buffer mode and transmits an EC fallback character to the DTE. When comparing incoming characters for a match against the EC fallback character, the modem ignores parity.

The factory default is 13 ASCII.

NOTE: This configuration option is only available if EC Negotiate Buffer is configured for Disab&Switch.

AT command is %An, where n is a value from 0 to 127.

*Flw Cntl of DTE: CTS_to_DTE

Nxt CTS_to_DTE Disable XON/XOFF

Flow Control of DTE. Determines how the modem controls the flow of data from the DTE.

CTS to DTE – Method of flow control in which the modem raises and lowers its CTS interface lead to indicate when the DTE should start and stop sending data.

Disable – The modem cannot control the flow of data from the DTE.

XON/XOFF – Method of flow control in which the modem sends XON and XOFF characters to the DTE to start and stop the flow of data.

The factory default is CTS to DTE.

AT commands for Disable are \Q0, \Q5, and \Q6.

AT commands for XON/XOFF are \Q1 and\Q4.

AT commands for CTS to DTE are \Q2 and \Q3.

*This configuration option is only available if Async/Sync Mode is configured for Async. Refer to the DTE Interface configuration options group for more on Async/Sync Mode.

3810-A2-GB30-30

September 1998

9-35

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Paradyne 3800 manual EC Negotiat Bfr Disable Nxt Disable Enable Disab&Switch, EC Fallbck Char 013 Asci Nxt 013 Asci

3800 specifications

The Paradyne 3800 is a versatile broadband access platform that has gained recognition for its impressive features and robust performance in delivering high-speed data communications. Designed to meet the demands of both residential and commercial environments, the Paradyne 3800 stands out with its innovative technologies and reliable characteristics.

One of the main features of the Paradyne 3800 is its capability to support multiple protocols, including Ethernet, IP, and ATM. This multi-protocol flexibility allows service providers to offer a range of services, from high-speed Internet access to voice over IP (VoIP) and video conferencing. This adaptability makes it an ideal solution for diverse customer requirements, enhancing service delivery and customer satisfaction.

The Paradyne 3800 utilizes advanced DSL technologies, most notably ADSL and ADSL2+, to provide high-speed internet services over existing copper telephone lines. With a maximum downstream rate of up to 24 Mbps, the 3800 ensures fast data transfers, making it suitable for bandwidth-intensive applications such as streaming and online gaming. Additionally, the device supports bonding capabilities, allowing multiple DSL lines to work together, effectively increasing bandwidth and enhancing overall performance.

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Security is another key characteristic of the Paradyne 3800. It employs various encryption methods and security protocols to safeguard user data and ensure secure communications. This focus on security is increasingly important in today’s cyber landscape, where protecting sensitive information is paramount.

In summary, the Paradyne 3800 is a sophisticated broadband access platform that combines cutting-edge technologies, multiple protocol support, and robust security features. Its scalability, high performance, and ease of management make it an attractive option for service providers looking to enhance their offerings and deliver reliable connectivity to their customers. Whether it’s for high-speed internet, voice, or video services, the Paradyne 3800 is positioned as a dependable solution in the evolving telecommunications landscape.