Black Box MD403A user manual Changing the Setup Password

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PORTABLE USB MODEM

5.3.1CHANGING THE SETUP PASSWORD

1.Open a data communications program such as HyperTerminal.

2.In the terminal window, type AT#Sblackbox (or AT#Syyyyyy if you have replaced the blackbox password with yyyyyy) and press ENTER. The modem responds with OK if the setup password is correct and ERROR if it is wrong.

3.To change the password, type AT#S=yyyyyy, where yyyyyy stands for the password, and press ENTER. The password can include any keyboard character, and must be one to eight characters long. The modem responds with OK.

4.The new password is saved automatically. You can now either enter more AT commands or exit the data communications program. The next time you remotely configure the modem you must use the new setup password.

NOTE

You can only change the setup password locally; you cannot do it remotely. Also, passwords are case-sensitive. The next time you enter the password, it must be in the same case as you set it up.

5.3.2CHANGING THE REMOTE ESCAPE CHARACTER

To increase security, you can change a remote modem’s remote configuration escape character. The remote configuration escape character is stored in register S9. The factory default is 37, which is the ASCII code for the percent character

(%). Setting S9 to 0 (zero) disables remote configuration entirely—but if you do this remotely, you won’t be able to change it back remotely!

1.Establish a remote configuration link with the remote modem as described in “Basic Procedure.”

2.Type ATS9=n, where n is the ASCII code for the new remote configuration escape character, then press ENTER.

3.Save the new value by typing AT&W and pressing ENTER.

4.Type ATO<CR> to exit remote configuration.

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Contents Portable USB Modem Users’ Manual FCC and IC RFI Statements EMC, Safety and R&TTE Directive Compliance FCC Requirements for Telephone-Line Equipment Certification Notice for Equipment Used in Canada NOM Statement Portable USB Modem Trademarks Used in this Manual Contents Contents Command Buffer 40 characters SpecificationsAGC Dynamic Range 43 dB Frequency Stability ±0.01%Temperature Tolerance 32 to 120F 0 to 50C Overview IntroductionWhat the Package Includes Universal Serial Bus USBWhat Can You Do with Your Modem? Features Required Equipment Connections USB and communications connectorsFront panel Front PanelConnect the Modem to Your System InstallationInstalling the Modem Welcome screen Install Hardware Device Drivers screen Locate Driver Files screen Driver Files Search Results screen Digital Signature Not Found screen appears Click Yes to continue with the installationCompletion screen Installation in Windows ME Portable USB Modem Add New Hardware Wizard screen What do you want Windows to do? screen 10. Windows will search for a new driver screen 11. Updated driver found screen 12. Verification screen 13. Finish screen Go to Start Settings Control Panel Click Start Settings Control PanelConfiguring the Modem for Your Country References AT Commands AT Commands, S-Registers, and Result CodesAnswer Repeat Last CommandCommunication Standard Setting Enter KeyCarrier Control DialATDT1028807637853500$123456789 Hook Control Echo Command Mode CharactersDS=y Dial Stored Telephone Number Echo Online Data CharactersPulse Dialing Monitor Speaker ModeReturn Online to Data Mode Modulation HandshakeTone Dialing Result Codes Enable/DisableSr=n Set Register Value Sr? Read Register ValueAuto Retrain Modem ResetResult Code Selection Long Space Disconnect22bis Guard Tone Control Load Factory SettingsData Carrier Detect DCD Control ON/X-OFF Pacing ControlData Set Ready DSR Control Asynchronous Communications ModeTest Commands Flow Control SelectionZy=x Store Dialing Command Display Current SettingsStore Current Configuration Select Stored Configuration for Hard Reset\Kn Break Control \Bn Transmit Break\Gn Modem Port Flow Control \Jn Data Buffer Control\Nn Error Correction Mode Selection Online command mode. The modem receives a\Xn ON/X-OFF Pass-Through \Tn Inactivity Timer\Qn Flow Control Selection \Vn Protocol Result CodeData Compression Control Adaptive Answer Result Code Enable#Sx Enter Setup Password View Numbers in BlacklistAtcr Remote Configuration Escape Sequence #S=x+++ATCR Escape Sequence Registers Unit Range Default DescriptionSeconds 255 Unit Range Default Description Upstream data rates S48=7 S48=128 Verbose Description Result CodesConnected at 2400 bps Terse Verbose Description Introduction Remote ConfigurationBasic Procedure SetupChanging the Setup Password Troubleshooting None of the Indicators LightModem Does Not Respond to Commands Modem Dials But Cannot Connect Modem Disconnects While Online Modem Cannot Connect When Answering Modem Doesn’t Work with Caller IDFax and Data Software Can’t Run at the Same Time Shipping and Packaging Calling Black BoxAppendix A. V.90 Support V.90 TroubleshootingAppendix B. Loopback Tests Figure B-1. Local analog loopback test Local Analog Loopback Test V.54 LoopFigure B-2. Remote digital loopback test Remote Digital Loopback Test V.54 LoopFigure B-3. Local digital loopback test Local Digital Loopback Test V.54 LoopAppendix B Loopback Tests Appendix C. Dial-Up Networking Windows 98/Me Dial-Up Networking Figure C-3. Dial-Up connection created Figure C-4. Networking tab Figure C-5. TCP/IP Settings dialog box Figure C-6. Network Connection Wizard dialog box Windows 2000 Dial-Up NetworkingFigure C-7. Network Connection Type dialog box Figure C-8. Welcome to the Internet World Connection Wizard If you select Accept incoming connections Internet account connection, and click NextIf you select Connect directly to another computer Appendix D. Upgrading Modem Upgrade OverviewAppendix D Upgrading the Modem Copyright 2004. Black Box Corporation. All rights reserved
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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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