8. Troubleshooting

Restoring Communication with an Improperly Configured Unit

Configuring the unit improperly could render the menu-driven user interface inaccessible. If this occurs, connectivity to the unit can be restored via a directly connected asynchronous terminal.

Procedure

To reset COM port settings:

1.Configure the asynchronous terminal to operate at 19.2 Kbps, using character length of 8 bits, with one stop-bit, and no parity. In addition, set Flow Control to None.

2.Reset the unit, then hold the Enter key down until the System Paused screen appears. (See Resetting the Unit and Restoring Communication on page 8-3for other methods of resetting the unit.)

3.Tab to the desired prompt, and type y (Yes) at one of the prompts.

If selecting . . .

The following occurs . . .

 

 

Reset COM Port usage

Port Use is set to Terminal so the asynchronous

 

terminal can be used.

 

Data Rate (Kbps), Character Length, Stop Bits, and

 

Parity are reset to the factory defaults.

 

Unit resets itself.

 

 

Reload Factory Defaults

All configuration and control settings are reset to

 

the Default Factory Configuration, overwriting the

 

￿current configuration.

 

Unit resets itself.

 

CAUTION: This causes the current configuration to

 

be destroyed and a self-test to be performed.

 

 

If no selection is made within 30 seconds, or if No (n) is entered, the unit resets itself and no configuration changes are made.

Once the unit resets itself, connectivity is restored and the Main Menu screen appears.

8-4

December 2002

9700-A2-GB20-20

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Paradyne 9788, 9720 manual Restoring Communication with an Improperly Configured Unit, If selecting Following occurs
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9720, 9788 specifications

The Paradyne 9820-8M, 9788, 9128 standalone, 9128 carrier-mount, and 9820-2M are critical components in telecommunications networks, designed to enhance data transmission and improve connectivity. Each model offers unique features and capabilities that cater to various requirements in both enterprise and service provider environments.

The Paradyne 9820-8M is a multi-service access platform that provides high-speed connectivity for voice, video, and data transmission. It supports multiple protocols, enabling seamless integration into existing infrastructures. Key features include a modular design that allows for scalability and easy upgrades, ensuring that organizations can adapt to evolving demands. Its advanced error correction and QoS (Quality of Service) features ensure reliable performance, even in challenging network conditions.

The Paradyne 9788 serves as a versatile platform for both digital and analog communications. It excels in the delivery of broadband services, supporting T1/E1 lines and providing robust mechanisms for data transmission. This model emphasizes redundancy and resilience, with built-in protection switching capabilities that maintain service continuity during faults or maintenance activities. Its compact design makes it an ideal solution for environments with space constraints.

The 9128 standalone model is aimed at customers requiring an easy-to-deploy solution for point-to-point connections. This model offers critical features such as an intuitive user interface, comprehensive diagnostics, and monitoring capabilities that facilitate system management. It also supports diverse network topologies, making it suitable for various deployment scenarios.

In contrast, the 9128 carrier-mount version is engineered for organizations needing to manage multiple connections within a central office or remote site. This model is specifically designed to be mounted in standard telecom racks, optimizing space utilization while maintaining high performance. Its robust hardware allows for excellent thermal management and environmental resilience.

Lastly, the Paradyne 9820-2M combines versatility with high-performance capabilities, making it a reliable choice for service providers. It features dual-channel support, enabling simultaneous transmission and providing a cost-effective solution for high-capacity data needs. With enhanced security features, including encryption capabilities, the 9820-2M ensures that sensitive information transmitted across networks is protected against unauthorized access.

Collectively, these Paradyne models exemplify advanced telecommunications technology, offering scalability, resilience, and high performance. Their diverse features cater to the unique demands of various users, from enterprise networks to service providers, facilitating the continual evolution of communication technologies.
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