MultiModemZPX User Guide

5 Troubleshooting

Chapter 5 - Troubleshooting

This chapter describes common problems you may have with your modem and how to solve them. If you are unable to make a successful connection, or if you experience data loss or garbled characters during a connection, use the Initial Checklist below to begin the troubleshooting process. If the problem is not resolved after going through the Initial Checklist, review the Common Problems section for further troubleshooting recommendations. If you are still unable to make a successful connection, refer to Chapter 6 for information on how to reach a technical support technician via our toll-free telephone number or the Internet.

Initial Checklist

The following checklist will help to ensure the modem has been properly set up.

Make sure the COM port you chose during setup matches the COM port set in your communications software. See Chapter 3 for more information.

Check that the phone cord between the modem’s jack and the wall jack is undamaged and firmly connected to both.

Retry whatever action was not working.

If it still does not work, check the following section for a description and possible solution to your problem.

Common Problems

The following is a list of common problems associated with using a modem:

The modem does not respond to commands.

The modem dials but cannot make a connection.

The modem disconnects while online.

The modem cannot connect when answering.

File transfer appears slower than it should be.

Data is being lost.

Garbage characters display on the monitor.

Fax and communications software won’t run at the same time.

Use the following instructions to guide you through troubleshooting these problems before con- tacting Technical Support:

The modem does not respond to commands

Make sure you are in terminal mode in your data communications program; then type AT and press Enter. You should get an OK response. If not, reset your modem by sending it an ATZ or AT&F command in terminal mode. If using legacy software (software designed for an older operating system), make sure the initialization string includes &F as the first command to cancel any leftover commands that could interfere with the modem’s operation.

If you don’t get an OK, the problem may still be in the communications software. Make sure you have properly configured the port in your communications software. Most legacy (prior to Windows 95) communications programs connect to the COM port when the software loads and

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Multi-Tech Systems MT5634ZPX-V.92-ISA manual Troubleshooting, Initial Checklist, Common Problems

MT5634ZPX-V.92-ISA specifications

The Multi-Tech Systems MT5634ZPX-V.92-ISA is a highly versatile and reliable internal modem designed to meet the needs of various communication tasks. As one of the hallmark products in the Multi-Tech lineup, this modem is particularly known for its adherence to the V.92 standard, which enhances data transmission speeds and improves the overall user experience when connecting to the Internet or other networks.

One of the main features of the MT5634ZPX-V.92-ISA is its capability to achieve maximum download speeds of up to 56 Kbps and upload speeds of up to 33.6 Kbps. This performance is enhanced by the device's V.34 modulation technology, which allows for faster connections and more reliable data transfer, especially over traditional analog lines. The modem also supports v.92 features such as Modem-on-Hold, which enables users to receive phone calls while still connected to the Internet, thereby minimizing interruptions in service.

A notable characteristic of the MT5634ZPX-V.92-ISA is its compatibility with various operating systems, including DOS, Windows, and Linux. This broad compatibility makes it an excellent choice for users who work across different platforms. The device connects via the ISA bus, meaning it is designed for older workstation setups, providing an efficient solution for legacy systems requiring modem integration.

The MT5634ZPX-V.92-ISA also incorporates several advanced technologies to enhance performance and reliability. Its built-in error correction (V.42) and data compression (V.44) capabilities ensure optimal data throughput and integrity. The modem is also equipped with diagnostics tools, allowing users to troubleshoot and optimize their connection more effectively.

In terms of installation and usability, the MT5634ZPX-V.92-ISA is designed for straightforward setup, making it accessible for users with varying levels of technical expertise. Additionally, its robust construction and reliable performance have made it a popular choice for both home and business environments where dependable Internet connectivity is essential.

Overall, the Multi-Tech Systems MT5634ZPX-V.92-ISA modem stands out for its performance, compatibility, and feature set, making it a wise investment for those who require a solid and efficient modem solution in both personal and professional settings. Whether for casual browsing or critical tasks, this modem delivers the reliability and speed users expect from modern communication technology, while still accommodating legacy systems.