Cisco QSFP-40G-ER4 40 GBPS LC Single-Mode QSFP+ Transceiver Refurbished

In the fast-paced world of networking, the demand for high-performance transceiver modules is ever-growing. Cisco, a leading name in networking solutions, offers the QSFP-40G-ER4, a 40Gbps Single-mode Fiber transceiver module. In this detailed exploration, we will delve into the specifications, features, and applications of the Cisco QSFP-40G-ER4, providing valuable insights for networking professionals and enthusiasts alike.

The Cisco QSFP-40G-ER4 is a cutting-edge transceiver module designed for high-speed data transmission over long distances. Its key features make it a reliable choice for a variety of networking applications. Let's break down its specifications:

• Data Rate: The QSFP-40G-ER4 operates at a data rate of 40Gbps, making it suitable for bandwidth-intensive tasks and applications that require high-speed connectivity.
• Fiber Type: This transceiver module is optimized for Single-mode Fiber (SMF), ensuring efficient data transmission over longer distances.
• Wavelength: The QSFP-40G-ER4 operates at a wavelength of 1310nm, contributing to its long-range capabilities.
• Connector Type: Equipped with a Duplex LC Connector, the module ensures a secure and reliable connection.
• Range: With an impressive range of 40km, the QSFP-40G-ER4 is well-suited for applications that demand extended reach without compromising performance.
• Form Factor: The module follows the QSFP+ (Quad Small Form-factor Pluggable) form factor standard, ensuring compatibility with a wide range of networking equipment.

The Cisco QSFP-40G-ER4 comes with a host of features that set it apart in the competitive world of transceiver modules. Understanding these features is crucial for network administrators and engineers looking to optimize their network infrastructure:

• Long-Range Connectivity: The 40km range of the QSFP-40G-ER4 makes it ideal for scenarios where data needs to be transmitted over extended distances, such as in metropolitan area networks (MANs) or campus networks.
• High Data Rate: With a data rate of 40Gbps, the QSFP-40G-ER4 ensures swift data transfer, meeting the demands of data-intensive applications and providing a seamless user experience.
• Duplex LC Connector: The Duplex LC Connector not only simplifies the installation process but also enhances the reliability of the connection, reducing the chances of signal loss or disruption.
• Temperature Monitoring: The transceiver module features built-in temperature monitoring capabilities, allowing for real-time assessment of operating conditions. This ensures the module operates within optimal temperature ranges, enhancing its overall lifespan and reliability.
• Enhanced Security: Cisco is renowned for prioritizing security in its networking solutions. The QSFP-40G-ER4 is no exception, incorporating security features to protect data integrity during transmission.

Understanding the specific applications where the Cisco QSFP-40G-ER4 excels is crucial for network planners and administrators. The module finds its niche in various scenarios, providing reliable and high-performance connectivity:

• Data Centers: In data center environments, where high-speed and long-distance connectivity is paramount, the QSFP-40G-ER4 can be employed to connect servers, switches, and storage devices.
• Telecommunication Networks: The module's long-range capabilities make it suitable for use in telecommunication networks, enabling seamless communication over extended distances.
• Metropolitan Area Networks (MANs): With its 40km range, the QSFP-40G-ER4 is well-suited for MANs, connecting different segments of a city or a large campus.
• Enterprise Networking: In large enterprises with complex networking requirements, the QSFP-40G-ER4 can be utilized to establish reliable and high-speed connections between various departments and buildings.
• High-Performance Computing: For applications requiring high-performance computing and rapid data transfer, such as scientific research or simulations, the QSFP-40G-ER4 provides the necessary bandwidth and reach.

Staying informed about future developments and industry trends is vital for network planners and administrators looking to make informed decisions. The networking landscape is dynamic, and understanding where the industry is headed can influence choices regarding equipment deployment and infrastructure planning:

• Higher Data Rates: As data-intensive applications continue to evolve, the demand for higher data rates is likely to increase. Keeping an eye on developments in transceiver technology and Cisco's roadmap for higher-speed solutions can help future-proof network infrastructure.
• Compatibility with Emerging Standards: The networking industry often witnesses the emergence of new standards and technologies. Ensuring that the QSFP-40G-ER4 and the overall network infrastructure can adapt to these changes is essential for long-term viability.
• Energy Efficiency: With a growing emphasis on sustainability, future transceiver modules may incorporate energy-efficient features. Monitoring industry trends in energy-efficient networking solutions can influence decisions regarding upgrades or new deployments.
• Integration of AI and Automation: The integration of artificial intelligence (AI) and automation in networking is an ongoing trend. Keeping abreast of how these technologies can be leveraged to optimize the performance and management of transceiver modules is crucial for network administrators.
• Security Enhancements: As cyber threats continue to evolve, networking equipment manufacturers, including Cisco, are likely to invest in enhancing the security features of their products. Staying informed about these developments is essential for maintaining a secure network environment.

The Cisco QSFP-40G-ER4 LC Single-Mode QSFP+ Transceiver is a high-performance optical transceiver that provides 40 Gbps of Ethernet connectivity over long distances. The device is designed to work in single-mode fiber networks and supports a maximum transmission distance of 40 kilometers. The transceiver is equipped with four independent lanes, each with a data rate of 10 Gbps, allowing for the aggregation of multiple 10 Gbps data streams into a single 40 Gbps stream.

The QSFP-40G-ER4 transceiver provides a flexible and cost-effective solution for customers who want to expand their network capabilities and support high-speed data transmission over long distances. The device is compatible with a wide range of Cisco switch platforms, including the Nexus 9000 Series and the Catalyst 9500 Series, ensuring seamless integration with existing networks.

In addition to its high-speed capabilities, the QSFP-40G-ER4 transceiver also features a compact form factor, allowing for efficient use of space in data center racks. The device is also designed with a hot-swappable interface, allowing for easy installation and maintenance without disrupting network traffic.

Unmatched Performance for Optical Networking

The QSFP-40G-ER4 Cisco LC Single-Mode QSFP+ Transceiver provides unmatched performance in optical networking. It is designed to provide reliable, high-speed data transmission over long distances in single-mode fiber optic networks. The transceiver has a 40Gbps data rate and supports a 40GBASE-ER4 standard for Ethernet communication.

This transceiver is equipped with an LC connector, which is a compact, high-density fiber optic connector that provides low insertion loss and high return loss performance. The LC connector is ideal for use in high-density fiber optic networks where space is limited.

The QSFP-40G-ER4 transceiver is also compliant with the Multi-Source Agreement (MSA) standards, ensuring compatibility with a wide range of networking devices and systems. This transceiver is also designed to be hot-pluggable, allowing for easy installation and maintenance without disrupting network operations.

Additionally, the QSFP-40G-ER4 transceiver features advanced digital diagnostic monitoring (DDM) capabilities, providing real-time monitoring and reporting of transceiver performance parameters. This allows network administrators to quickly detect and diagnose any issues, helping to minimize downtime and improve network performance.

A Solution for Demanding Optical Networking Need

The QSFP-40G-ER4 Cisco LC Single-Mode QSFP+ Transceiver is a high-performance optical networking solution designed for demanding optical networking needs. It provides 40 Gbps data transfer rates and supports long-distance communication up to 40 kilometers.

This transceiver uses single-mode optical fiber and utilizes a compact quad small form-factor pluggable (QSFP+) design that can be easily installed in Cisco switches, routers, and other networking devices. The LC connector provides a secure and reliable connection for high-speed data transmission.

The QSFP-40G-ER4 transceiver supports both digital optical monitoring (DOM) and in-band management, providing real-time monitoring of the transceiver's optical parameters such as wavelength, optical power, and temperature. It also supports power-saving modes, reducing power consumption and operating costs.

This transceiver supports multiple network protocols, including Fibre Channel, InfiniBand, and Ethernet, making it an ideal solution for data centers, cloud computing, and other high-performance networking environments.

• Manufacturer: Cisco
• Part Number or SKU# QSFP-40G-ER4
• Product Type: Transceiver Module
• Product Name: 40 GBPS Single-Mode QSFP+ Transceiver Module

• Application/Usage: Optical Network
• Application/Usage: Data Networking

• Interfaces/Ports Details: 1 x LC 40GBase-ER4 Network

• Media Type Supported: Optical Fiber
• Fiber Mode Supported: Single-mode
• Ethernet Technology: 40 Gigabit Ethernet
• Network Technology: 40GBase-ER4
• Maximum Data: Transfer Rate 40

• Green Compliant: Yes
• Green Compliance Certificate/Authority: RoHS

In summary, the Cisco QSFP-40G-ER4 40Gbps Single-mode Fiber Transceiver Module stands out as a reliable and high-performance solution for long-distance data transmission in diverse networking environments. Understanding its specifications, features, applications, and considerations for installation, troubleshooting, and maintenance is crucial for network professionals aiming to optimize their infrastructure.

By delving into the cost considerations, return on investment analysis, and keeping an eye on future developments and industry trends, network planners can make informed decisions that align with their organization's current and future networking needs. The Cisco QSFP-40G-ER4 exemplifies the commitment to innovation and reliability that Cisco brings to the networking industry, providing a valuable asset for building robust and future-ready networks.