C H A P T E R 1

General Troubleshooting

Note The terms "Unidirectional Path Switched Ring" and "UPSR" may appear in Cisco literature. These terms do not refer to using Cisco ONS 15xxx products in a unidirectional path switched ring configuration. Rather, these terms, as well as "Path Protected Mesh Network" and "PPMN," refer generally to Cisco's path protection feature, which may be used in any topological network configuration. Cisco does not recommend using its path protection feature in any particular topological network configuration.

This chapter provides procedures for troubleshooting the most common problems encountered when operating a Cisco ONS 15310-CL or Cisco ONS 15310-MA. To troubleshoot specific alarms, see Chapter 2, “Alarm Troubleshooting.” This chapter includes the following sections on network problems:

•1.1 Network Troubleshooting Tests—Describes loopbacks and hairpin circuits, which you can use to test circuit paths through the network or logically isolate faults.

Note For network acceptance tests, refer to the Cisco ONS 15310-CL and Cisco ONS 15310-MA Procedure Guide.

•1.2 Identify Points of Failure on an Electrical Circuit Path—Explains how to perform loopback and hairpin tests, which you can use to test ONS 15310-CLDS-N circuit paths through the network or logically isolate faults.

•1.3 Identify Points of Failure on an OC-N Circuit Path—Explains how to perform loopback and hairpin tests on OC-N paths, which you can use to test ONS 15310-CL or ONS 15310-MAOC-N circuit paths through the network or logically isolate faults.

•1.4 Troubleshooting Wideband Electrical Card(WBE-28 and WBE-84 Cards) FEAC on DS3 Ports

•1.5 Troubleshooting WBE-28 and WBE-84 Cards with Far End Loopcodes on DS1 Ports

•1.6 Troubleshooting Ethernet Circuit Paths With Loopbacks—Explains how to perform loopback tests for CE100T-8 ports (and intermediate node OC-N ports the Ethernet circuit is mapped through). Follow these instructions to test an Ethernet circuit through the network or logically isolate faults.

The remaining sections describe symptoms, problems, and solutions that are categorized according to the following topics:

•1.7 Restore the Database and Default Settings—Explains how to restore software data and restore the node to the default setup.

•1.8 PC Connectivity Troubleshooting—Provides troubleshooting procedures for Windows PC and network connectivity to the ONS 15310-CL or ONS 15310-MA.

Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0

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Cisco Systems ONS 15310-MA, ONS 15310-CL manual General Troubleshooting
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ONS 15310-CL, ONS 15310-MA specifications

Cisco Systems has long been a leader in networking and telecommunications technology, and among its impressive lineup of products, the Cisco ONS 15310 series stands out as an essential solution for optical networking. This series includes models such as the ONS 15310-MA, ONS 15310-CL, and ONS 15310-CA, each designed to meet the diverse needs of service providers and enterprises seeking to enhance their optical transport networks.

The Cisco ONS 15310-MA is an advanced multi-service platform designed for metropolitan area networks. It facilitates the seamless transport of data, voice, and video over optical networks. One of its main features is its ability to support a variety of interfaces, including Ethernet, SONET/SDH, and Wavelength Division Multiplexing (WDM), allowing users to integrate multiple services into a single platform. Additionally, the ONS 15310-MA supports advanced traffic management and Quality of Service (QoS) features to prioritize critical applications and ensure consistent performance.

The ONS 15310-CL variant is tailored for more specific applications, providing enhanced capabilities aimed at delivering carrier-grade services. It features a robust architecture that accommodates high-capacity traffic without compromising reliability. This model emphasizes low power consumption and a compact design, making it suitable for deployment in space-constrained environments. The ONS 15310-CL also supports a wide range of optical interfaces, making it highly flexible for various network configurations.

In terms of technologies, the Cisco ONS 15310 series leverages Optical Transport Network (OTN) capabilities, providing high efficiency and greater bandwidth utilization. OTN technology enables efficient error correction and adds resilience to the network through its built-in protection mechanisms. Furthermore, the series supports seamless integration with existing IP/MPLS networks, creating a cohesive infrastructure as organizations evolve their networking requirements.

One of the defining characteristics of the ONS 15310 series is its focus on scalability. Network operators can start with a modest deployment and gradually expand capacity as demand grows. This adaptability is complemented by Cisco's comprehensive management and monitoring tools, providing operators with real-time insights into network performance and facilitating proactive management.

In conclusion, the Cisco ONS 15310-MA and ONS 15310-CL models represent sophisticated solutions for modern optical networks. With their versatile features, advanced technologies, and robust design, they empower service providers and enterprises to build resilient, high-capacity networks that meet the demands of today’s data-driven world.
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