PORTABLE USB MODEM

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1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.2 What the Package Includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.3 Universal Serial Bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.4 What Can You Do with Your Modem? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.5 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.5.1 Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.5.2 Fax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.5.3 Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.6 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.6.1 Connecting to the Computer (“USB”). . . . . . . . . . . . . . . . . . . . . . . 17 2.6.2 Connecting to the Telephone Line (“LINE”) . . . . . . . . . . . . . . . . . 17 2.6.3 Surge Protectors and Lightning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.7 Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.1 Step 1: Connect the Modem to Your System . . . . . . . . . . . . . . . . . . . . . . . 19 3.1.1 USB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.1.2 Line Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.2 Step 2: Installing the Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.2.1 Installation in Windows 2000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.2.2 Installation in Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2.3 Installation in Windows 98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.4 Removing Your Old Modem from Windows . . . . . . . . . . . . . . . . . . 35

3.3 Configuring the Modem for Your Country . . . . . . . . . . . . . . . . . . . . . . . . 36 3.3.1 Using the Global Wizard Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.3.2 Using AT Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.4 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4. AT Commands, S-Registers, and Result Codes . . . . . . . . . . . . . . . . . . . . . . . . 38

4.1 AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.2 S-Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.3 Result Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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Black Box MD403A user manual Contents
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MD403A specifications

The Black Box MD403A is a powerful and versatile device widely recognized for its advanced technology and its ability to streamline data communication. Ideal for both personal and professional use, the MD403A is designed to cater to various environments, from small offices to larger enterprises.

One of the main features of the MD403A is its robust connectivity options. It supports multiple interfaces, including USB, HDMI, and Ethernet, allowing seamless integration with various devices such as computers, projectors, and IP networks. This flexibility makes it a popular choice for businesses that require reliable data transmission across different platforms.

The device is equipped with advanced signal processing capabilities that ensure high-quality data transfer. Utilizing cutting-edge technology, the MD403A minimizes signal loss, thereby enhancing performance and ensuring that the transmitted data remains intact. This feature is particularly crucial in scenarios where large amounts of data need to be transmitted quickly and without loss of quality.

Another significant characteristic of the Black Box MD403A is its user-friendly design. The interface is intuitive, making it easy for users of all technical abilities to navigate the system effortlessly. It typically comes with a straightforward setup process, minimizing downtime and allowing users to get up and running quickly.

The MD403A also boasts advanced security features. It employs multiple encryption protocols to safeguard sensitive information during transmission. With increased cybersecurity concerns, this feature is essential for businesses that handle confidential data, ensuring compliance with various regulatory requirements.

Additionally, the device supports various video resolutions, making it suitable for both standard and high-definition applications. This feature is particularly beneficial for users who want to deliver high-quality presentations or video content without compromising on clarity.

In terms of durability, the MD403A has a sturdy design that can withstand the rigors of daily use. Its compact form factor allows for easy portability, making it an ideal choice for professionals who are always on the move.

In summary, the Black Box MD403A combines advanced features, multiple connectivity options, robust security, and ease of use, making it an essential tool for modern communication needs. Its adaptability and performance make it a preferred choice for users seeking reliable data transfer solutions in diverse settings.
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