Installing the 3Com Impact Digital Modem

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Installing the 3Com Impact Digital Modem

This installation procedure assumes that you are familiar with IBM and IBM-compatible or Apple Macintosh computers. If you are not, refer to the user guide that accompanied your computer for instructions on hardware installation and operating system commands.

Installing the Digital Modem in an IBM-compatible PC

To install the 3Com Impact digital modem model 3C870 or

3C872 in an IBM or IBM-compatible computer:

1Turn off the computer.

2Ensure that the 3Com Impact digital modem power switch is in the Off position.

3Insert the 9-pin male end of the 3Com Impact digital modem-to-PC serial signal cable into the connector labeled Computer on the digital modem’s back panel and tighten the connector screws.

4Connect the other end of the 3Com Impact digital modem-to-PC serial signal cable to a serial communications (COM) port on the back of your PC and tighten the connector screws.

Most COM port connectors are labeled COM, SERIAL, or RS-232-C. On an IBM AT PC and most laptops or notebooks, connect the cable to a 9-pin COM port connector.

5Connect the 3Com Impact digital modem power cable to the connector marked 12V AC on the back panel of the digital modem.

See Figure 2-1 for the location of the 12V AC connector on the digital modem’s back panel.

6Plug the transformer end of the power cable into a standard 117V ac wall outlet.

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3Com DIGITAL MODEM manual Installing the 3Com Impact Digital Modem, Installing the Digital Modem in an IBM-compatible PC

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.