Chapter 2 Alarm Troubleshooting

Alarm Procedures

2.6.181 SYSBOOT

•Major (MJ), Service Affecting (SA)

The System Reboot (SYSBOOT) alarm indicates that new software is booting on the XTC card. No action is required. The alarm clears when all cards finish rebooting the new software. The reboot takes up to 10 minutes if the same version of software is present on both cards, or up to 30 minutes if the software is being updated from one XTC to the other.

If it does not clear, log onto http://www.cisco.com/tac for more information or call TAC to report a service-affecting problem (1-800-553-2447).

Note SYSBOOT is an informational alarm. It only requires troubleshooting if it does not clear.

2.6.182 TIM-P

•Critical (CR), Service Affecting (SA) for STSTERM

•Minor (MN), Non-Service Affecting (NSA) for STSMON

The Trace Identifier Mismatch (TIM) Path alarm occurs when the expected path trace string does not match the received path trace string. Path Trace Mode must be set to manual or Auto for the TIM-P alarm to occur.

In manual mode at the Path Trace window, the user types the expected string into the Current Expected String field for the receiving port. The string must match the string typed into the Transmit String field for the sending port. If these fields do not match, the login node raises the TIM-P alarm. 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 instance.

TIM-P also occurs on a port that has previously been operating without alarms if someone switches or removes the DS-3 cables or optical fibers that connect the ports. TIM-P is usually accompanied by other alarms, such as an LOS (OC-N) alarm (see page 2-84), an UNEQ-P alarm (see page 2-122), or a PLM-P alarm (see page 2-95). If these alarms accompany TIM-P, reattach or replace the original cables/fibers to clear the alarms.

Procedure: Clear the TIM-P Alarm

Step 1 Log into the circuit source node and click the Circuits tab.

Step 2 Select the circuit reporting the alarm, then click Edit.

Step 3 In the Edit Circuit window, check the Show Detailed Map check box.

Step 4 On the detailed circuit map, right-click the source circuit port and choose Edit J1 Path Trace from the shortcut menu.

Step 5 On the detailed circuit map, right-click the drop/destination circuit port and choose Edit Path Trace from the shortcut menu.

Step 6 Compare the Current Transmit String and the Current Expected String entries in the Edit J1 Path Trace dialog box.

Step 7 If the strings differ, correct the Transmit or Expected strings and click Apply.

 

 

Cisco ONS 15327 Troubleshooting Guide, R3.4

 

 

 

 

 

 

March 2004

 

 

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ONS 15327 specifications

Cisco Systems ONS 15327 is a high-performance optical networking solution tailored for service providers and enterprises looking to enhance their optical communication infrastructure. This versatile platform is recognized for its robust performance, scalability, and flexibility, making it suitable for a wide array of applications ranging from broadband access to metropolitan area networking.

One of the standout features of the ONS 15327 is its ability to handle multiple data types over a single platform. It supports a rich array of protocols, including Ethernet and SONET/SDH, allowing service providers to deliver a diverse portfolio of services to their customers. This multiservice capability simplifies the network architecture, reducing operational complexity and costs.

The ONS 15327 is designed with a modular architecture, which enables operators to customize and scale their network as demand grows. It supports a variety of card options for different media types, wavelengths, and capacity requirements. This modularity not only facilitates straightforward upgrades but also allows for efficient network management.

In terms of technology, the ONS 15327 leverages dense wavelength division multiplexing (DWDM) capabilities to maximize the utilization of available fiber bandwidth. This allows for an impressive increase in transmission capacity without the need for additional fiber installations, making it a cost-effective solution for expanding networks.

Another significant characteristic of the Cisco ONS 15327 is its advanced performance monitoring and management features. Built-in diagnostic tools provide real-time visibility into network performance, enabling prompt identification and troubleshooting of potential issues. This proactive approach to network management enhances service reliability and customer satisfaction.

Security is also paramount in the ONS 15327. The platform integrates various security features and protocols to protect the data traversing the network, ensuring compliance with industry standards and safeguarding sensitive information.

Furthermore, the equipment is designed for easy integration into existing infrastructures. Its compatibility with Cisco’s broader networking solutions allows for seamless interconnection with routers, switches, and other devices, facilitating comprehensive network solutions.

In conclusion, Cisco Systems ONS 15327 stands out as a powerful optical networking platform that combines versatility, scalability, and advanced management features. Its ability to support various protocols and harness optical technologies makes it an essential tool for organizations aiming to optimize their telecommunications infrastructure while minimizing costs and complexity.
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