CRS-16-LCC-DRS-R Cisco CRS 1 Line Card Chassis

Cisco CRS-16-LCC-DRS-R CRS-1 Line Card Chassis Overview

The Cisco CRS-16-LCC-DRS-R is a high-capacity Carrier Routing System (CRS-1) line card chassis engineered for large-scale service provider networks and core routing infrastructures. Designed for exceptional scalability, high throughput, and carrier-grade reliability, this advanced chassis supports massive data traffic loads while ensuring continuous uptime and operational efficiency in mission-critical environments.

Product Information

• Manufacturer: Cisco
• Part Number: CRS-16-LCC-DRS-R
• Series: CRS-1 Carrier Routing System
• Product Type: Line Card Chassis
• Environmental Compliance: Environmentally Friendly Design

Slot Capacity and Expansion Capability

• Supports up to 16 line cards
• Compatible with Physical Layer Interface Modules (PLIMs)
• Highly scalable modular expansion design

Per-Slot and System Capacity

• Up to 200 Gbps ingress per slot
• Up to 200 Gbps egress per slot
• Total system capacity up to 6.4 Tbps switching/routing fabric

Structural Design Features

• Rear door assembly (-DRS-R) for midplane protection
• Secure airflow and internal pressure optimization
• Heavy-duty chassis construction for long-term reliability

Space and Weight Specifications

Physical Footprint

• Floor space usage: 7.2 square feet

System Weight Range

• Minimum weight: 1,535 lbs (696.3 kg)
• Maximum weight: 1,720.7 lbs (780.5 kg)

Midplane Connectivity

• Direct connection between line forwarding engines
• Optimized signal integrity and low latency routing
• High-speed modular interconnect system

Power Consumption Specifications

• DC power draw: up to 19,091 Watts
• AC power draw: up to 19,565 Watts

Redundant Power Architecture

• 2N isolated power framework
• Dual independent AC/DC power shelves
• High availability power design

Cooling System Features

• Dual push-pull fan tray design
• Dedicated fan controller cards
• Dynamic airflow adjustment technology

Airflow Performance

• Up to 2,700 cubic feet per minute (CFM) airflow capacity

Cisco CRS-16-LCC-DRS-R CRS 1 Line Card Chassis High-Capacity

The Cisco CRS-16-LCC-DRS-R CRS 1 Line Card Chassis represents a high-performance modular routing platform designed for carrier-grade service provider environments, large-scale data centers, and backbone network infrastructures. Built as part of the Cisco Carrier Routing System (CRS) family, this chassis delivers exceptional scalability, resiliency, and throughput capabilities required for modern IP backbone networks. It is engineered to support massive traffic aggregation, high-speed packet forwarding, and uninterrupted service delivery across global communication networks.

As network demand continues to grow due to cloud computing, video streaming, 5G deployment, and IoT expansion, service providers require robust and scalable routing systems. The Cisco CRS-16-LCC-DRS-R addresses these challenges by offering a compact yet powerful chassis architecture capable of supporting advanced line cards and distributed routing capabilities, ensuring consistent performance under extreme traffic loads.

Carrier-Class Routing Architecture and System Design

Modular Line Card Chassis Framework

The Cisco CRS-16-LCC-DRS-R is designed with a modular architecture that allows operators to deploy line cards based on network requirements. This flexibility ensures that service providers can scale capacity dynamically without replacing the entire chassis infrastructure. The chassis serves as the foundational enclosure for installing high-speed routing components, enabling seamless integration with CRS series line cards and route processors.

This modular design reduces capital expenditure while improving operational efficiency. Network operators can upgrade or replace individual components as technology evolves, ensuring long-term infrastructure adaptability and investment protection.

High-Density Port Aggregation Capability

The chassis supports high-density port configurations, allowing aggregation of massive traffic flows across multiple network interfaces. This capability is essential for backbone routers that manage terabits of traffic across metropolitan, regional, and international networks. The Cisco CRS-16-LCC-DRS-R ensures efficient load distribution across line cards, optimizing throughput and reducing congestion.

Scalable Bandwidth Expansion

As service demands increase, additional line cards can be integrated into the chassis to expand bandwidth capacity. This scalability ensures that network operators can accommodate growing traffic volumes without redesigning their infrastructure.

Carrier Routing System (CRS) Platform Integration

Seamless CRS Ecosystem Compatibility

The Cisco CRS-16-LCC-DRS-R is fully integrated into the Cisco CRS ecosystem, supporting compatibility with CRS line cards, route processors, switch fabric modules, and power systems. This interoperability ensures consistent performance across the entire routing infrastructure.

The CRS platform is widely recognized for its reliability in mission-critical environments where downtime is not acceptable. The chassis plays a central role in maintaining system integrity and ensuring uninterrupted packet forwarding.

Distributed Route Processing Architecture

One of the defining features of the CRS architecture is distributed routing intelligence. The Cisco CRS-16-LCC-DRS-R supports this model by enabling multiple line cards to participate in routing decisions, forwarding processes, and traffic management operations. This distributed approach enhances performance and reduces bottlenecks associated with centralized processing systems.

Optimized Traffic Engineering

With distributed processing capabilities, traffic engineering becomes more efficient, allowing service providers to optimize network paths, balance loads, and improve end-to-end performance across the backbone infrastructure.

High-Performance Backplane and Switching Fabric

Advanced Switching Infrastructure

The Cisco CRS-16-LCC-DRS-R chassis incorporates a high-speed switching fabric that enables ultra-low latency communication between line cards. This fabric is essential for handling large-scale packet forwarding across multiple interfaces simultaneously.

The switching architecture is designed to deliver deterministic performance, ensuring consistent throughput regardless of traffic conditions or network load fluctuations.

Scalability for Carrier and Service Provider Networks

Massive Network Expansion Capability

The Cisco CRS-16-LCC-DRS-R is engineered to support large-scale network expansion initiatives. Service providers can scale their infrastructure horizontally by adding additional line cards or vertically by upgrading existing modules within the chassis framework.

This scalability is essential for supporting growing subscriber bases, increased bandwidth consumption, and emerging digital services such as video streaming, cloud applications, and mobile broadband connectivity.

Support for Multi-Service Edge Deployments

The chassis is well-suited for multi-service edge environments where routing, switching, and service delivery functions converge. It enables service providers to consolidate network functions while maintaining high performance and reliability.

Efficient Service Delivery Optimization

By supporting multiple services on a unified platform, the CRS chassis reduces operational complexity and improves service delivery efficiency across the network edge.

Reliability and Carrier-Grade Redundancy Features

High Availability System Design

The Cisco CRS-16-LCC-DRS-R is built with redundancy at multiple levels, including power systems, cooling systems, and routing components. This ensures continuous operation even in the event of hardware failures or maintenance activities.

Carrier-grade reliability is a critical requirement for service providers that operate global backbone networks. The chassis is designed to minimize downtime and maintain uninterrupted service delivery.

Fault Tolerance and Failover Mechanisms

The system incorporates advanced failover mechanisms that allow traffic to be rerouted automatically in the event of component failure. This ensures that network services remain operational without manual intervention.

Continuous Network Availability

Fault tolerance capabilities ensure that mission-critical applications and services remain available at all times, supporting stringent service level agreements (SLAs).

Cooling and Thermal Management System

Optimized Airflow Design

The Cisco CRS-16-LCC-DRS-R chassis is engineered with an advanced cooling system that ensures efficient airflow across all installed components. Proper thermal management is essential for maintaining system stability and extending hardware lifespan.

The chassis supports front-to-back or back-to-front airflow configurations depending on deployment requirements, enabling flexibility in data center design.

High-Efficiency Heat Dissipation

High-performance line cards generate significant heat during operation. The chassis is designed to dissipate heat efficiently, preventing thermal overload and ensuring consistent system performance under heavy workloads.

Stable Operation Under High Load Conditions

Effective cooling ensures that the routing system maintains stable operation even under sustained high traffic conditions commonly found in backbone and aggregation networks.

Power Distribution and Energy Optimization

Redundant Power Architecture

The chassis supports redundant power supply configurations to ensure uninterrupted operation. This redundancy eliminates single points of failure and enhances system resilience in enterprise and carrier environments.

Energy Efficient Operation

Despite its high-performance capabilities, the Cisco CRS-16-LCC-DRS-R is designed to optimize power consumption. Efficient power distribution reduces operational costs and supports sustainable data center initiatives.

Advanced Routing Features and Protocol Support

Multi-Protocol Routing Capabilities

The Cisco CRS-16-LCC-DRS-R supports a wide range of routing protocols used in modern carrier networks, enabling interoperability and flexible network design. These protocols ensure efficient traffic management and route optimization across complex network topologies.

Traffic Engineering and QoS Optimization

Quality of Service (QoS) features allow operators to prioritize traffic based on service requirements. This ensures that critical applications such as voice, video, and financial transactions receive priority handling.

Optimized Network Resource Allocation

Traffic engineering capabilities enable efficient utilization of network resources, reducing congestion and improving overall service quality.

Operational Efficiency and Network Management

Centralized Management Integration

The chassis integrates with Cisco network management systems, enabling centralized monitoring, configuration, and troubleshooting of routing infrastructure. This simplifies operational workflows and improves administrative efficiency.

Real-Time Monitoring and Diagnostics

Network operators can monitor system performance in real time, identify potential issues, and perform diagnostics to ensure optimal system health and stability.

Reduced Operational Complexity

Centralized management tools reduce the complexity of managing large-scale routing infrastructures, improving productivity and reducing operational overhead.