Chapter 2 Preparing the Site

Temperature

Se n d d o c u m e n t c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m

Temperature

When you install the Nexus 7000 Series, make sure that the system has adequate airflow from front to back and do not block the air inlet or the air exhaust.

Temperature extremes can cause the Nexus 7000 Series devices to operate at reduced efficiency and cause a variety of problems, including premature aging and failure of chips, and failure of devices. Extreme temperature fluctuations can cause chips to become loose in their sockets. The Nexus 7000 Series devices should be operating in an environment that is not colder than 41°F (5°C) or hotter than 104°F (40°C).

Make sure that the chassis has adequate ventilation; do not place the chassis next to a heat source of any kind, including heating vents during winter.

Adequate ventilation is particularly important at high altitudes. Make sure that all slots and openings on the system remain unobstructed, especially the fan vents on the chassis. Clean the installation site at regular intervals to avoid buildup of dust and debris, which can cause a system to overheat. If the Nexus 7000 series was exposed to abnormally cold temperatures, allow a 2-hour warm-up period to bring it up to a normal operating temperature before you turn the system on. Otherwise, you can damage the internal components.

Note The Nexus 7000 Series devices is equipped with internal air temperature sensors that trigger a minor alarm at 104°F (40°C) and a major alarm at 131°F (55°C).

Humidity

High humidity conditions can cause moisture to seep into the Nexus 7000 Series devices. Moisture can cause corrosion of internal components and degradation of properties such as electrical resistance, thermal conductivity, physical strength, and size. The Nexus 7000 Series is rated to operate at 8 to 80 percent relative humidity, with a humidity gradation of 10 percent per hour.

The Nexus 7000 Series devices can withstand from 5 to 90 percent relative humidity when you store it. Buildings in which climate is controlled by air-conditioning in the warmer months and by heat during the colder months usually maintain an acceptable level of humidity for system equipment. However, if a Nexus 7000 Series device is located in an unusually humid location, you can use a dehumidifier to maintain the humidity within an acceptable range.

Altitude

If you operate a Nexus 7000 Series device at a high altitude (low pressure), the efficiency of forced and convection cooling is reduced and can result in electrical problems that are related to arcing and corona effects. This condition can also cause sealed components with internal pressure, such as electrolytic capacitors, to fail or to perform at a reduced efficiency. The Nexus 7000 Series is rated to operate at altitudes from –500 to 13,123 feet (–152 to 4,000 meters). You can store the system at altitudes of –1,000 to 30,000 feet (–305 to 9,144 meters).

Cisco Nexus 7000 System Site Preparation Guide

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Cisco Systems 7000 manual Temperature, Humidity, Altitude
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7000 specifications

Cisco Systems 7000 series routers are pivotal in the landscape of networking, providing high-performance, reliable solutions for enterprise environments and service providers. These routers were designed to support the growing demands of digital communication, offering robust features that enhance connectivity and streamline network operations.

One of the primary characteristics of the Cisco 7000 series is its modular architecture. This allows for the integration of various interface modules and processing units, enabling organizations to customize their routers according to specific networking needs. The modularity supports scalability, as businesses can upgrade or replace components as their requirements evolve without having to replace the entire system.

The Cisco 7000 series incorporates advanced routing protocols, ensuring efficient data packet management and traffic flow. It supports multiple protocols, including OSPF, BGP, and EIGRP, facilitating seamless integration into a variety of network environments. This flexibility is essential in modern networks, where diverse communication protocols are in use.

Load balancing capabilities are another significant feature of the Cisco 7000 series. This functionality allows for the optimal distribution of network traffic across multiple paths, enhancing performance and redundancy. By ensuring that no single route is overwhelmed, organizations can maintain uptime and improve overall user experience.

Security is a top priority for many businesses, and the Cisco 7000 series addresses this need with built-in security features. It supports Virtual Private Networks (VPNs) and access control lists (ACL) to provide secure remote access and protect sensitive data from unauthorized access. This capability is vital in today’s threat landscape, where data breaches can have far-reaching consequences.

The series also boasts high throughput and low latency, making it suitable for bandwidth-intensive applications like video conferencing and cloud computing. Coupled with Quality of Service (QoS) features, the Cisco 7000 ensures that critical applications receive the bandwidth they need, thereby enhancing overall network performance.

In terms of manageability, the Cisco 7000 routers come equipped with advanced monitoring and diagnostic tools. Network administrators can easily track performance metrics and identify potential issues before they escalate, minimizing downtimes and maintaining business continuity.

In summary, the Cisco Systems 7000 series routers are a sophisticated solution for organizations seeking to optimize their networking infrastructure. With modularity, robust routing protocols, load balancing, security features, high performance, and comprehensive manageability, the Cisco 7000 series stands out as a reliable foundation for successful network operations in an increasingly connected world.
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