Product Overview

•A spring clip on the AC receptacle supplies strain relief and prevents the power supply power cable from being pulled out accidentally.

Environmental Monitoring and Reporting Functions

The environmental monitoring and reporting functions, controlled by the chassis interface board, enable you to maintain normal system operation by identifying and resolving adverse conditions prior to loss of operation. The environmental monitoring functions constantly monitor the internal chassis air temperature and DC supply voltages and currents. Each power supply monitors its own voltage and temperature and shuts itself down if it detects a critical condition within the power supply. If conditions reach shutdown thresholds, the system shuts down to avoid equipment damage from excessive heat. The reporting functions periodically log the values of measured parameters so that you can retrieve them for analysis later, and the reporting functions display warnings on the console if any of the monitored parameters exceed defined thresholds.

In addition to monitoring internal temperature and voltage levels, the system also monitors the blower. If the blower fails, the system displays a warning message on the console. If the blower is still not operating properly after two minutes, the system shuts down to protect the internal components against damage from excessive heat.

Environmental Monitoring

Three sensors on the Route Switch Processor (RSP2) monitor the temperature of the cooling air that flows through the processor slots: inlet, hotpoint, and exhaust. The sensors are located at the bottom, center, and top of the RSP2, when facing the interface processor end of the chassis and viewing the RSP2 as it is installed.

The power supply uses the Normal, Critical, and Warning levels to monitor DC voltages. Table 2 lists temperature thresholds for the three processor-monitored levels. Table 3 lists the DC power thresholds for the Normal and Critical (power-supply-monitored) levels.

•Normal—All monitored parameters are within normal tolerances. The system blower operates at 55 percent of its maximum speed if the internal air temperature does not exceed this level.

•Warning (low and high)—The system is approaching an out-of-tolerance condition. The system will continue to operate, but operator monitoring or action is recommended to bring the system back to a normal state. If the internal air temperature the normal range, the blower speed will increase linearly from 55 percent of maximum speed until it reaches 100 percent speed at 33 C (91 F).

•Critical (low and high)—An out-of-tolerance temperature or voltage condition exists. The system may not continue operation. If a voltage measurement reaches this level, the power supply can shut down the system. If the blower fails, the system will display a warning message and shut down in two minutes. Immediate operator action is required.

•Processor shutdown—The chassis interface has detected a temperature or blower-failure condition that could result in physical damage to system components and has disabled DC power to all interface processors (in slots 0 through 5 and 8 through 12). DC power to the RSP2, chassis interface, and blower stays on, but no RSP2-related processing takes place. Immediate operator action is required. DC power remains off until the inside temperature of the chassis reaches 40 C (104 F), at which point the system will restart up to 15 times (if required). If the source of the shutdown has not been corrected, the system will execute a hard shutdown. Before any shutdown, the system logs the status of monitored parameters in NVRAM so that you can retrieve it later to help determine the cause of the problem.

Upgrading the 1200-Watt, AC-Input Power Supplies in the Cisco 7513

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Cisco Systems 7513 manual Environmental Monitoring and Reporting Functions
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7513 specifications

The Cisco Systems 7513 is a robust router designed to address the demands of high-performance networking environments. Introduced as part of Cisco’s flagship 7500 Series, the 7513 is engineered to cater to enterprise and service provider requirements, delivering high availability, advanced traffic management capabilities, and exceptional scalability.

One of the key features of the Cisco 7513 is its modular architecture. This design allows for a mix-and-match approach to network interfaces, meaning that organizations can customize their routing capabilities according to specific needs. The router supports a variety of interface cards, including Ethernet, ATM, and POS (Packet over SONET) options, enabling seamless integration into different network topologies.

The 7513 is powered by Cisco’s innovative IOS (Internetwork Operating System), which is renowned for its reliability and feature-rich capabilities. This OS supports advanced routing protocols, including BGP, OSPF, and EIGRP, ensuring efficient data handling and routing decisions across complex and geographically dispersed networks. Additionally, the router accommodates Quality of Service (QoS) features that prioritize network traffic to guarantee optimal performance for critical applications.

In terms of performance, the Cisco 7513 can handle substantial data throughput, equipped with a powerful processor and sufficient memory capacity to support dynamic routing table populations and extensive functionalities. It is capable of delivering a routing capacity that meets the needs of both small enterprises and large service providers, making it a flexible choice.

Another significant characteristic of the 7513 is its support for redundancy and failover mechanisms. With options for redundant power supplies and enhanced cooling systems, the router is designed to operate continuously, ensuring high availability and minimal downtime. Furthermore, it supports Cisco’s High Availability features, such as Stateful Switchover, enhancing network reliability.

Security is an essential aspect of any modern router, and the Cisco 7513 comes equipped with various built-in security functionalities. These include access control lists (ACLs), Network Address Translation (NAT), and support for Virtual Private Networks (VPNs), which enable organizations to secure their data transmissions effectively.

In summary, the Cisco Systems 7513 is a versatile, high-capacity modular router suitable for a wide range of networking applications. Its advanced features, reliability, and scalability make it a critical component for enterprises and service providers seeking to enhance their infrastructure and meet evolving bandwidth demands. With its capacity to support diverse technologies and protocols, the 7513 remains a cornerstone in the realm of professional networking solutions.
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