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Lucent Technologies Host-Based Controller Modem AT specifications AT FAX Command Set Class 1 FAX

Models: Host-Based Controller Modem AT

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Host-Based Controller Modem

Data Addendum

AT Command Set

June 15, 1998

 

 

AT FAX Command Set (Class 1 FAX)

 

The Lucent Technologies modem supports FAX commands conforming to EIA standard 578. These commands are given here with short descriptions; complete explanations are given in the standard, available from the Electronic Industries Association.

 

Table 5. The AT FAX Command Set Summary

 

 

 

Command

 

Description

 

 

 

+FCLASS?

 

Service class indication

+FCLASS = ?

 

Service class capabilities

+FCLASS = n

 

Service class selection

+FTS = <n>

 

Transmission silence

+FRS = <n>

 

Receive silence

+FTM = <m>

 

Transmit FAX data with <m> carrier

+FRM = <m>

 

Receive FAX data with <m> carrier

+FTH = <m>

 

Transmit HDLC data with <m> carrier

+FRH = <m>

 

Receive HDLC data with <m> carrier

+FTM = ?

 

Transmit FAX modulation

+FRM = ?

 

Receive FAX modulation

+FTH = ?

 

Transmit HDLC Data modulation

+FRH = ?

 

Receive HDLC Data modulation

+FMI?

 

Manufacturer Identification

+FMM?

 

Product Identification

+FMR?

 

Version/Revision Information

+FPR = <n>

 

Set DTE-DCE Fax port rate

+FPR = ?

 

Reports all fax port rate that DCE supports

+FPR?

 

Reports the current fax port rate of DTE-DCE

+FAA = <n>

 

Set DCE Adaptive answer mode

+FAA = ?

 

Display valid adaptive answer values that DCE supports

+FAA?

 

Display current set value of adaptive answer mode

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Lucent Technologies Inc.

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Lucent Technologies Host-Based Controller Modem AT AT FAX Command Set Class 1 FAX, AT FAX Command Set Summary
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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.