Chapter 2 Alarm Troubleshooting

2.7.240 TIM-V

In Auto mode on the receiving port, the card sets the expected string to the value of the received string. If the alarm occurs on a port that has been operating with no alarms, the circuit path has changed or someone entered a new incorrect value into the Current Transmit String field. Complete the following procedure to clear either problem.

TIM-S also occurs on a port that has previously been operating without alarms if someone switches the cables or optical fibers that connect the ports. If enabled on the port, the “AIS-L” condition on page 2-18can be raised downstream and the “RFI-L” condition on page 2-118can be raised upstream.

Clear the TIM-S Alarm

Step 1 Double-click the 15310-CL-CTX or CTX2500 card to display the card view.

Step 2 For the 15310-CL-CTX, click the Maintenance > EC1 > Path Trace tabs; for the CTX2500 card, click the Maintenance > Optical > Path Trace tabs.

Step 3 In the Expected String column, enter the correct string information.

Step 4 Click Apply.

Step 5 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447). If the alarm applies to the STSTRM object, it is Service-Affecting (SA).

2.7.240 TIM-V

Default Severity: Major (MJ), Service-Affecting (SA)

SONET Logical Object: VT-TERM

The VT Path TIM alarm is raised on VT terminations when the J2 path trace is enabled and is mismatched with the expected trace string.

Clear the TIM-V Alarm

Step 1 Complete the “Clear the TIM Alarm” procedure on page 2-138.

Step 2 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447) to report a service-affecting problem.

2.7.241 TPTFAIL (CE100T)

Default Severity: Major (MJ), Service-Affecting (SA)

SONET Logical Object: CE100T

The Transport (TPT) Layer Failure alarm for the CE-100T-8 card indicates a break in the end-to-end Ethernet link integrity feature of the CE-100T-8 cards. TPTFAIL indicates a far-end condition and not a problem with the port reporting TPTFAIL.

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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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