ASR5K-042GE-SX-K9 Cisco ASR 5000 QGLC Rev2 4-Port Ethernet 1000 Card

Cisco ASR5K-042GE-SX-K9 Ethernet Memory

The Cisco ASR5K-042GE-SX-K9 ASR 5000 GELC Ethernet 1000 line card is engineered to extend the performance and scalability of the ASR 5000 series platform. Designed for service providers, telecommunications operators, and high-capacity network environments, this Gigabit Ethernet line card enables stable connectivity, optimized throughput, and dependable data transmission across carrier-grade infrastructures. With an integrated LX single-mode SFP interface, the module supports long-distance fiber connectivity while maintaining reliable signal integrity and minimal latency.

Manufacturer Information

• Manufacturer: Cisco
• Part Number: ASR5K-042GE-SX-K9
• Product Name: Cisco ASR 5000 QGLC Rev2 4-Port Ethernet 1000 Card
• Product Category: Enterprise and Service Provider Networking Equipment
• Device Type: Networking Module with SX MM Short Haul SFP

Technical Specifications

• High-performance routing architecture
• Designed for telecom and enterprise environments
• Optimized for large-scale data traffic processing
• Support for modern networking protocols
• Integration with advanced network management platforms

Operational Environment

• Suitable for telecom infrastructure deployments
• Compatible with enterprise networking environments
• Designed for continuous operation
• Supports high-capacity data routing workloads
• Engineered for mission-critical network applications

Cisco ASR5K-042GE-SX-K9 ASR 5000 Gigabit Ethernet 

Modern communication networks require highly resilient routing components capable of supporting massive volumes of data traffic while maintaining consistent performance. The Cisco ASR5K-042GE-SX-K9 router is engineered with carrier-grade architecture that enables seamless packet processing, dynamic traffic routing, and intelligent network management. Its design ensures that service providers can deliver uninterrupted connectivity to millions of users without compromising network efficiency.

Telecommunications operators deploy this networking module within mobile packet core environments, broadband networks, and high-capacity data infrastructures. The system is capable of handling large routing tables, advanced traffic policies, and diverse service protocols that are essential for modern internet service delivery. Its architecture is optimized to support evolving technologies such as virtualization, cloud services, and high-speed data distribution networks.

High-Speed Connectivity 

Efficient data transmission is essential for maintaining reliable communication networks. The Cisco ASR5K-042GE-SX-K9 router supports high-speed connectivity through its advanced interface design, ensuring that network traffic is processed and forwarded with minimal latency. The router’s hardware-based forwarding capabilities allow it to handle large volumes of packets while maintaining stable network performance.

Scalability 

Network infrastructure must adapt to increasing data consumption and expanding user bases. The Cisco ASR5K-042GE-SX-K9 router supports scalable deployment models that allow organizations to expand their networks without replacing existing infrastructure. This scalability is essential for businesses that anticipate continuous growth in bandwidth requirements and service demand.

Reliable Performance 

Enterprise networks and service provider infrastructures require dependable hardware that can operate continuously without interruption. The Cisco ASR5K-042GE-SX-K9 router is built with reliability as a core design principle. Its robust engineering ensures consistent network operation even under heavy workloads and demanding conditions.

High-availability features are integrated into the system to support uninterrupted communication services. Redundant design elements, intelligent failover mechanisms, and advanced monitoring capabilities help prevent network disruptions. This level of reliability is essential for organizations that rely on continuous data connectivity to support business operations, financial systems, and cloud-based services.

Advanced Routing Capabilities

Routing technologies continue to evolve as networks grow more complex. The Cisco ASR5K-042GE-SX-K9 router supports advanced routing capabilities that allow administrators to manage data flows efficiently across multiple network segments. Its architecture is optimized for handling large routing tables, complex policies, and dynamic network conditions.

The router’s intelligent routing engine allows network operators to control traffic distribution across different paths, ensuring optimal resource utilization. This capability helps reduce network congestion while improving overall data transmission efficiency. By supporting modern routing protocols and traffic management technologies, the router ensures seamless communication across diverse network environments.

Enhanced Security 

Network security remains a critical concern for organizations operating large-scale infrastructures. The Cisco ASR5K-042GE-SX-K9 router incorporates security-focused features designed to protect network traffic from unauthorized access and cyber threats. By supporting advanced security mechanisms, the router helps maintain secure communication channels across enterprise and service provider networks.

Administrators can implement security policies that control traffic flows, enforce authentication requirements, and monitor suspicious network activity. These capabilities help prevent malicious attacks while maintaining the integrity of sensitive data transmissions. The router also supports network segmentation strategies that enhance overall security posture.

Energy Efficienct

Modern network infrastructure must balance performance with energy efficiency. The Cisco ASR5K-042GE-SX-K9 router is designed with optimized power consumption that supports sustainable network operations. Efficient hardware components and intelligent resource management allow the router to deliver high performance while minimizing energy usage.

This energy-efficient design helps organizations reduce operational costs while maintaining high-capacity network performance. Data centers and telecommunications facilities benefit from lower power consumption, which contributes to overall sustainability goals and operational efficiency.

Enterprise Networking 

Enterprises rely on robust networking infrastructure to support digital operations, remote connectivity, and cloud-based applications. The Cisco ASR5K-042GE-SX-K9 router provides the performance and reliability needed to manage complex enterprise networks. Organizations deploy this router to support secure communication between branch offices, data centers, and remote users.

Its flexible routing capabilities enable businesses to optimize data flows across distributed networks. This ensures that critical applications remain accessible while maintaining consistent network performance for employees and customers. Enterprises benefit from improved network reliability and scalability as their digital operations continue to expand.

Networking Infrastructure

Organizations preparing for future technological advancements require networking hardware that can adapt to evolving requirements. The Cisco ASR5K-042GE-SX-K9 router supports forward-compatible architecture that allows businesses to integrate emerging technologies without requiring major infrastructure changes. Its design ensures long-term usability in rapidly evolving digital environments.

As data consumption increases and new communication technologies emerge, networks must be capable of supporting greater capacity and enhanced performance. This router helps organizations prepare for future demands by providing scalable performance, advanced routing capabilities, and reliable connectivity across modern networking ecosystems.

Compatibility

The Cisco ASR5K-042GE-SX-K9 router module is specifically designed to operate within the Cisco ASR 5000 series architecture. This compatibility ensures smooth integration with existing networking infrastructure and allows administrators to expand system capabilities without disruption.