8. Troubleshooting

Table 8-1. Alarm Conditions (2 of 3)

Alarm Condition

What It Indicates

What To Do

 

 

 

LatExceed

An IP SLV Latency

Contact your service provider.

IP_Address,

Threshold has been

 

 

COSx,DLCInnnn1

exceeded for the specified

 

 

 

Class Of Service of the

 

 

 

path.

 

 

 

 

 

Link Down

The DTE port is disabled

Enable the port.

Administratively

through software.

 

 

(CSU/DSU only; minor

 

 

 

alarm)

 

 

 

 

 

 

LMI Discovery in

LMI protocol discovery is

Wait.

Progress (CSU/DSU

being performed.

 

 

only; minor alarm)

 

 

 

 

 

 

LMI Down, Port-1

The Local Management

For the user data port

(CSU/DSU only)

Interface is down for the

(not applicable to the router):

 

specified frame relay link.

 

Check that the DTE cable is

 

 

 

 

 

￿securely attached at both ends.

 

 

 

Verify that Transmit Clock

 

 

 

Source and Invert Transmit

 

 

 

Clock options are properly

 

 

 

configured.

 

 

 

Verify that Frame Relay

 

 

 

Performance Statistics show

 

 

 

LMI frames being received. If

 

 

 

no frames are being received:

 

 

 

– Check the attached device.

 

 

 

– Verify that the LMI Protocol

 

 

 

setting reflects the LMI type

 

 

 

being used.

 

 

 

Loop Attenuation

The observed loop

Contact your network provider.

Defect at Network 1

attenuation exceeds the

￿

 

(9788 only)

configured threshold value.

 

LOS at Network 1

A Loss of Signal (LOS)

 

 

 

condition is detected on the

 

 

 

network interface.

 

 

 

Network cable problem.

 

Check that the network cable is

 

 

￿securely attached at both ends.

 

￿Network facility problem.

 

Contact your network provider.

 

 

 

Loss of Cell

The ATM Transmission

Contact your network provider.

Delineation, atm link

Convergence (TC) layer has

 

 

 

been in a Loss-of-Cell

 

 

 

Delineation (LCD) state for

 

 

 

one minute, or the number

 

 

 

of Out-of-Cell Delineation

 

 

 

(OCD) events has

 

 

 

exceeded the

 

 

 

user-specified threshold.

 

 

 

 

 

 

1nnnn indicates a DLCI number of 16 through 1007.

9700-A2-GB20-20

December 2002

8-9

Page 193
Image 193
Paradyne 9720, 9788 Alarm Conditions 2 What It Indicates What To Do, IPAddress, CSU/DSU only minor Alarm, Only minor alarm

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.