Chapter 3 Technical and Environmental Specifications

Environmental Specifications

Environmental Specifications

The following table lists the environmental specifications for the Cisco CRS-1 8-slot line card chassis.

Table 3-3 8-Slot Line Card Chassis Environmental Specifications

Description

Value

 

 

Temperature

Operating, nominal: 41° to 104°F (5° to 40°C)

 

Operating, short-term: 23° to 122°F (–5° to 50°C)

 

Nonoperating: –40° to 158°F (–40° to 70°C)

 

 

Humidity

Operating: 5 to 85% noncondensing

 

Nonoperating: 5 to 90% noncondensing, short-term operation

 

 

Altitude

1 to 5906 ft (–60 to 1800 m) at 122°F (50°C), short-term

 

Up to 13,123 ft (4000 m) at 104°F (40°C) or below

 

 

Heat dissipation

27,350 BTU per hour

 

 

External cooling

2.3 tons

requirements

 

 

 

Chassis airflow

Up to 900 cubic feet (25,485 liters) per minute

 

 

Power system airflow

Up to 240 cubic feet (6800 liters) per minute

 

 

Acoustic noise

76 dB—80°F (27°C) or lower (fan speed 4000 RPM)

3.3 ft (1 m) from chassis

86 dB—104°F (40°C) or higher (fan speed 6500 RPM)

 

90 dB—failure condition (fan speed 7500 RPM)

 

 

Shock and vibration

Designed and tested to meet the NEBS shock and vibration standards

 

defined in GR-63-CORE (Issue 2, April 2002).

 

 

Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide

3-6

OL-5802-06

 

 

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Cisco Systems CRS-1 manual Environmental Specifications

CRS-1 specifications

Cisco Systems' Carrier Routing System (CRS-1) is a cutting-edge, high-capacity router designed to meet the demands of service providers and large enterprises. Introduced in the early 2000s, the CRS-1 represents a significant leap forward in routing technology, offering unparalleled performance, scalability, and reliability.

One of the primary features of the CRS-1 is its exceptional scalability. The system is built on a modular architecture that allows for easy upgrades and expansions. This enables service providers to start with a configuration that suits their immediate needs while having the flexibility to expand as traffic demands grow. The CRS-1 supports a wide range of line cards, enabling data, voice, and video to be managed on a single platform, which simplifies network management and reduces operating costs.

The CRS-1 leverages advanced technologies that enable it to deliver impressive performance. With the ability to handle up to 92 terabits per second of throughput, the router is capable of supporting a vast number of connections, making it well-suited for large-scale service providers and data centers. This level of performance is powered by Cisco’s proprietary silicon technology, which optimizes the packet forwarding process and enhances overall efficiency.

Another key characteristic of the CRS-1 is its strong focus on reliability and redundancy. The system is designed with high availability in mind, ensuring that it can continue to operate seamlessly even in the event of hardware failures. Redundant components, such as power supplies and route processors, allow the CRS-1 to maintain its performance and uptime, a critical requirement for mission-critical network operations.

Additionally, the CRS-1 supports a wide variety of protocols and technologies, including Internet Protocol (IP), Multiprotocol Label Switching (MPLS), and various service provider features. This versatility makes it a compelling choice for organizations looking to implement advanced networking capabilities, such as Quality of Service (QoS) and traffic engineering.

In summary, the Cisco Systems CRS-1 stands out as a formidable solution for modern routing needs. Its modular design, exceptional scalability, robust performance, reliability, and support for multiple protocols and services make it an ideal choice for service providers and enterprises seeking to future-proof their networks. As the demand for bandwidth continues to surge, the CRS-1 remains a pivotal component in the evolution of networking infrastructure.