Host-Based Controller Modem

 

Data Addendum

AT Command Set

 

 

 

June 15, 1998

 

 

 

 

V.25ter AT Commands (continued)

 

 

 

 

 

<v8o>, <v8a>, and <v8cf>

+A8I:<v8cf><CR>

 

 

 

This indication is used by an

 

 

 

 

answering DCE, if +A8E,<v8a> !=0,

 

 

 

 

to indicate detection of a V.8 CI

 

 

 

 

signal, and report the recovered

 

 

 

 

Call Function octet(s). Value

 

 

 

 

<v8cf> is a hexadecimal code octet

 

 

 

 

that can take values as shown

 

 

 

 

above in +A8E command.

+A8M=<hexadecimal

Coded CM

 

Refer to V.8 document for coding.

Directs the DCE to send a V.8 CM

coded CM or JM octet

or JM octet

 

 

or JM signal using the specified

string>

 

 

 

hexadecimal coded string.

+A8A:<type><CR>

<type>

 

1 Indicates V.8 ANSam signal

This indication is used by a calling

 

 

 

flags

DCE, if +A8E <v8o> #0, to indicate

 

 

 

detection of an answering signal.

 

 

 

0 Indicated no ANSam signal detected

 

 

 

 

 

 

 

 

 

58

Lucent Technologies Inc.

Version 1.0

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Lucent Technologies Host-Based Controller Modem AT specifications V8o, v8a, and v8cf

Host-Based Controller Modem AT specifications

Lucent Technologies Host-Based Controller Modem AT represents a significant advancement in modem technology, particularly in the realm of telecommunications and data transmission. This modem, renowned for its efficiency and versatility, is characterized by a host-based architecture, which differentiates it from traditional modems that rely heavily on dedicated hardware.

One of the main features of the Lucent Technologies Host-Based Controller Modem AT is its ability to leverage the processing power of the host computer. By utilizing the host's CPU for data encoding and decoding tasks, the modem can reduce the need for specialized hardware components, allowing for a more cost-effective solution. This design not only facilitates lower manufacturing costs but also enhances the overall performance due to the utilization of the host's computational capabilities.

Another notable characteristic is its compliance with the AT command set, which standardizes communications between the modem and the host system. This ensures compatibility with a wide range of software applications and operating systems. The AT command set allows users to control modem functions easily, making it simpler to configure settings, initiate connections, and manage data transfer processes.

The modem also supports various communication protocols, such as V.90 and V.92, enabling high-speed data transmission over traditional telephone lines. With download speeds of up to 56 Kbps and upload speeds of up to 48 Kbps, the Lucent Technologies Host-Based Controller Modem AT is particularly suitable for Internet browsing, email, and other online activities demanding robust data throughput.

Additionally, the modem features built-in error correction and data compression protocols, such as V.42 and V.44, further enhancing the quality and speed of data transmission. These protocols help minimize the impact of line noise and ensure efficient use of bandwidth, leading to improved connection stability and data integrity.

In terms of connectivity, the Lucent Technologies Host-Based Controller Modem AT typically interfaces via a standard serial or USB port, making it compatible with most modern computers. Its compact design and ease of installation make it an appealing choice for both personal and professional use.

Overall, the Lucent Technologies Host-Based Controller Modem AT showcases significant innovation in modem technology, offering users a reliable and efficient solution for high-speed data communications. Its host-based architecture, adherence to the AT command set, and support for advanced communication protocols position it as a vital tool in the ever-evolving landscape of digital connectivity.