QSFP-H40G-CU05M Cisco 40GBASE-CR4 Passive Copper Cable

Cisco QSFP-H40G-CU05M 40GBASE-CR4 Passive Copper Cable Overview

The Cisco QSFP-H40G-CU05M is a high-performance 40GBASE-CR4 passive copper cable designed for seamless data transmission within networking environments. Engineered for short-range high-speed connectivity, this QSFP to QSFP direct attach cable (DAC) ensures low power consumption, high reliability, and cost-effective data transfer solutions for data centers, enterprise networks, and high-performance computing applications.

Key Features of Cisco QSFP-H40G-CU05M

40Gbps High-Speed Data Transfer

With a data transfer rate of 40Gbps, the Cisco QSFP-H40G-CU05M provides ultra-fast connectivity, reducing latency and improving network efficiency. It adheres to the IEEE 802.3ba 40GBASE-CR4 standard, ensuring compatibility with a wide range of Cisco networking equipment.

Passive Copper Technology

This cable utilizes passive copper technology, eliminating the need for additional power sources. Passive cables are ideal for short-distance interconnects, offering an energy-efficient solution with minimal power consumption while maintaining reliable data transmission.

QSFP to QSFP Direct Attach Connectivity

Designed with QSFP (Quad Small Form-factor Pluggable) connectors on both ends, this cable supports direct connectivity between two networking devices, such as switches, routers, or servers. The plug-and-play functionality enables easy integration into existing network infrastructure without additional configuration.

Applications of Cisco QSFP-H40G-CU05M in Networking

Data Center Connectivity

As data centers require high-speed, low-latency connections, the Cisco QSFP-H40G-CU05M is an optimal choice for interconnecting top-of-rack (ToR) and end-of-row (EoR) switches. Its ability to handle high bandwidth ensures smooth data transmission between network nodes.

High-Performance Computing (HPC)

HPC environments demand fast and reliable communication between computing nodes. The QSFP-H40G-CU05M offers a cost-effective, energy-efficient solution for enabling high-speed data exchange in clustered computing environments.

Enterprise Network Solutions

Enterprises leveraging cloud-based applications and virtualization require robust networking solutions. This direct attach cable enhances the efficiency of network backbones, ensuring seamless connectivity between core networking devices.

Technical Specifications of Cisco QSFP-H40G-CU05M

Electrical and Mechanical Characteristics

With a passive design and a cable length of 1.6 feet (0.5 meters), this DAC ensures a stable signal over short distances. The robust QSFP connectors provide a secure fit, reducing the risk of disconnections and signal degradation.

Compatibility and Interoperability

Fully compatible with Cisco switches, routers, and network interface cards (NICs), the QSFP-H40G-CU05M also adheres to MSA (Multi-Source Agreement) standards, ensuring interoperability with third-party networking equipment.

Power and Heat Efficiency

Unlike active optical cables (AOCs) or transceivers, this passive copper cable does not require additional power, significantly reducing power consumption and heat dissipation. This makes it an energy-efficient choice for large-scale network deployments.

Advantages of Using Cisco QSFP-H40G-CU05M

Cost-Effective Solution

Compared to fiber optic solutions, passive copper DACs offer a more affordable alternative for short-range high-speed connections. The reduced hardware costs and energy efficiency contribute to lower total cost of ownership (TCO).

Low Latency and High Reliability

Direct attach cables like the QSFP-H40G-CU05M provide a direct electrical connection, minimizing signal conversion delays and reducing latency. This ensures high reliability in demanding network environments.

Easy Deployment and Maintenance

The plug-and-play design of the Cisco QSFP-H40G-CU05M enables rapid deployment without the need for additional configuration or power sources. Its durable construction ensures long-term usability with minimal maintenance.

Choosing the Right 40GBASE-CR4 Cable for Your Network

Understanding Cable Length Considerations

When selecting a direct attach cable, choosing the appropriate length is crucial. The QSFP-H40G-CU05M, at 0.5 meters, is ideal for short-range connectivity within a single rack or between adjacent network devices.

Comparing Passive and Active DACs

Passive DACs like the QSFP-H40G-CU05M are suited for short distances and low-power applications, whereas active DACs incorporate signal processing to support longer distances. Understanding your network's power and distance requirements will help in selecting the right cable type.

Ensuring Compatibility with Network Devices

Compatibility is a critical factor when deploying direct attach cables. The Cisco QSFP-H40G-CU05M ensures seamless operation with Cisco networking equipment, offering guaranteed performance and reliability.

Conclusion

The Cisco QSFP-H40G-CU05M 40GBASE-CR4 passive copper cable delivers exceptional performance for high-speed, low-latency networking applications. Whether deployed in data centers, HPC environments, or enterprise networks, its energy-efficient design, cost-effectiveness, and ease of deployment make it a reliable choice for seamless network connectivity.