AT Command Set for the 3Com Impact Digital Modem

B-3

Table B-1 AT Command Set Summary (continued)

 

 

 

 

 

 

Command

Function (Example)

Description

 

 

 

 

\S

Read on-line status: command

Reads the status of any parameters that

 

settings (AT \S)

have been modified through AT

 

 

 

commands.

 

\T

Link inactivity timer (AT \T1)

\T0 disables inactivity timer (default).

\Tn link inactivity timer in minutes. The digital modem automatically disconnects the call if no activity is sensed within n (n = 0–255) minutes.

V

Result code format (AT V0)

V0 enables short form result codes.

V1 enables long form result codes (default).

&W

Stores configuration (AT &W)

Stores the configuration of all S registers

 

 

that are not part of the digital modem

 

 

initial configuration set.

Z

Reset (AT Z)

Disconnects all calls in progress and

 

 

performs a complete digital modem

 

 

system reset.

+++

Enter command state

Causes digital modem to enter the

 

 

command state if it is currently in the

 

 

on-line state.

$B

Set baud rate (AT $B57600)

0 — Autobaud (default). Other settings are 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200.

%V

Show version number (AT %V) Displays digital modem firmware version.

 

 

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3Com DIGITAL MODEM Settings AT \S, Commands, T0 disables inactivity timer default, Initial configuration set, Reset AT Z

DIGITAL MODEM specifications

The 3Com Digital Modem represents a significant advancement in communication technology, designed to enhance data transmission over telephone lines. This modem is a part of a lineage of 3Com products that focus on delivering robust networking solutions, tailored for both personal and professional use.

One of the main features of the 3Com Digital Modem is its high-speed data transfer capabilities. With speeds reaching up to 56 Kbps, it allows users to send and receive large amounts of data quickly, which is essential for applications that require efficient data exchange. This speed ensures smoother internet browsing, quicker downloads, and more reliable connections for applications such as video conferencing and online gaming.

The modem is equipped with advanced error correction technologies, including V.42 and V.42bis protocols. These protocols help to maintain data integrity by detecting and correcting errors during transmission. This results in a more reliable connection, reducing the likelihood of dropped calls or corrupted data transfers, which can be particularly frustrating for users engaged in critical business communications.

Another notable characteristic of the 3Com Digital Modem is its compatibility with various operating systems, making it versatile for different users. It supports Windows, Mac, and various other platforms, ensuring that it can be integrated seamlessly into existing systems without the need for extensive configuration. This plug-and-play capability simplifies installation for users, allowing them to get connected quickly and efficiently.

The modem also incorporates an innovative design that facilitates improved heat dissipation, ensuring optimal performance during prolonged use. Its compact form factor makes it suitable for both home and office environments, allowing for easy setup without consuming excessive desk space.

In addition to these features, the 3Com Digital Modem boasts strong security protocols, ensuring that users' data is protected against unauthorized access while being transmitted. This is particularly important in today’s digital landscape, where data breaches and cyber threats are prevalent.

Overall, the 3Com Digital Modem combines speed, reliability, and security, making it a valuable asset for anyone looking to enhance their connectivity experience. Its robust feature set and user-friendly design cater to a broad audience, from casual users to business professionals, reflecting the evolution of modem technology in a digital-first world.