Lucent Technologies Host-Based Controller Modem AT Otherwise Hook Control, Request ID Information

Models: Host-Based Controller Modem AT

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Host-Based Controller Modem

Data Addendum

AT Command Set

June 15, 1998

 

 

AT Command Reference (continued)

 

OK

n = 1

 

ERROR

Otherwise

 

Hn

Hook Control

 

This command instructs the modem to go on-hook to disconnect a call, or off-hook to make the phone line busy.

H0:

Modem goes on-hook (default).

H1:

Modem goes off-hook.

Result Codes:

 

OK

n = 0, 1

ERROR

Otherwise

In

Request ID Information

This command displays specific product information about the modem.

I0:

Returns modem identity string and driver version number, same as I3.

I1:

Calculates ROM checksum and displays it on the DTE.

I2:

Performs a ROM check and calculates and verifies the checksum displaying OK or

ERROR.

 

I3:

Returns modem identity string and driver version number, same as I0.

I4:

Returns firmware version for data pump.

I5:

Returns the board/firmware ID and country ID in hexadecimal (for Apollo).

 

Returns the code ver, board ID, country ID and subsystem vendor ID in hexadecimal (for

MARS).

 

I6-8:

Returns OK for compatibility.

I9:

Returns country ID in English.

I11:

Displays connection information as described in the following example.

Result Codes:

As described

ERROR

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Lucent Technologies Inc.

Version 1.0

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Lucent Technologies Host-Based Controller Modem AT specifications Otherwise Hook Control, Request ID Information, Mars

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.