Troubleshooting C

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

Overview

This appendix points out basic problems that can occur when operating a 3800 Series modem. Use Tables C-1 through C-6 to check out these problems. If you are having data communication difficulties, such as periodic

character loss, random errors, or constant format errors, use the loopback tests described in Chapter 8, Test Branch. With these tests you can usually isolate the fault in your system by using the process of elimination. If problems continue to occur, contact your service representative.

 

Table C-1

 

Modem Health

 

 

Symptom

Action

 

 

Modem did not pass

Contact your service representative.

power-up self-test

 

 

 

Power LED does not

Make sure the modem’s ON/Off switch is in the ON position.

light

Make sure the ac power transformer is connected to the ac power receptacle.

 

LCD does not display

If Power LED and/or LCD do not operate, contact your service representative.

 

 

A problem is suspected

Perform a self-test via the modem’s DCP or type AT&T9 if using AT commands.

after the power-up

Perform a local analog loopback with a Pattern test. If the modem consistently registers errors,

self-test

contact your service representative.

 

 

If the modem passes the above tests and a problem still exists, then the problem is likely not

 

with your modem.

 

 

3810-A2-GB30-30

September 1998

C-1

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Paradyne 3800 manual Troubleshooting C, Table C-1, Modem Health, Symptom Action

3800 specifications

The Paradyne 3800 is a versatile broadband access platform that has gained recognition for its impressive features and robust performance in delivering high-speed data communications. Designed to meet the demands of both residential and commercial environments, the Paradyne 3800 stands out with its innovative technologies and reliable characteristics.

One of the main features of the Paradyne 3800 is its capability to support multiple protocols, including Ethernet, IP, and ATM. This multi-protocol flexibility allows service providers to offer a range of services, from high-speed Internet access to voice over IP (VoIP) and video conferencing. This adaptability makes it an ideal solution for diverse customer requirements, enhancing service delivery and customer satisfaction.

The Paradyne 3800 utilizes advanced DSL technologies, most notably ADSL and ADSL2+, to provide high-speed internet services over existing copper telephone lines. With a maximum downstream rate of up to 24 Mbps, the 3800 ensures fast data transfers, making it suitable for bandwidth-intensive applications such as streaming and online gaming. Additionally, the device supports bonding capabilities, allowing multiple DSL lines to work together, effectively increasing bandwidth and enhancing overall performance.

Built with scalability in mind, the Paradyne 3800 allows for easy upgrades and expansions. Service providers can seamlessly add more capacity or features as demand grows without significant overhauls to the existing infrastructure. This scalability is complemented by an intuitive management interface, which simplifies network configuration, monitoring, and troubleshooting.

Security is another key characteristic of the Paradyne 3800. It employs various encryption methods and security protocols to safeguard user data and ensure secure communications. This focus on security is increasingly important in today’s cyber landscape, where protecting sensitive information is paramount.

In summary, the Paradyne 3800 is a sophisticated broadband access platform that combines cutting-edge technologies, multiple protocol support, and robust security features. Its scalability, high performance, and ease of management make it an attractive option for service providers looking to enhance their offerings and deliver reliable connectivity to their customers. Whether it’s for high-speed internet, voice, or video services, the Paradyne 3800 is positioned as a dependable solution in the evolving telecommunications landscape.