Cisco QDD-400G-FR4-S 400GBase Transceiver Module Refurbished

The Cisco QDD-400G-FR4-S is a cutting-edge optical transceiver module designed to meet the demands of high-speed data transmission in modern networking environments. This module, belonging to the 400GBASE-FR4 standard, utilizes PAM4 modulation, operates at a wavelength of 1310nm, and boasts a reach of 2km over Single-Mode Fiber (SMF). In this detailed exploration, we will delve into the key features, specifications, and applications of the Cisco QDD-400G-FR4-S, shedding light on its role in advancing the capabilities of data centers and telecommunications networks.

• High-Speed Data Transmission: The Cisco QDD-400G-FR4-S is designed to deliver exceptional data transfer rates, supporting the 400GBASE-FR4 standard. This high-speed capability is essential for meeting the increasing demands of bandwidth-intensive applications, data centers, and network infrastructures.
• PAM4 Modulation: The use of Pulse Amplitude Modulation 4 (PAM4) is a noteworthy feature of this optical transceiver module. PAM4 modulation enhances data transfer efficiency by allowing multiple bits to be transmitted in a single symbol period, optimizing the use of the available bandwidth.
• Wavelength and Reach: Operating at a wavelength of 1310nm, the Cisco QDD-400G-FR4-S is optimized for long-distance transmission. With a reach of 2km over Single-Mode Fiber (SMF), this module is well-suited for applications requiring reliable and high-performance connectivity across extended distances.
• Digital Optical Monitoring (DOM): The inclusion of Digital Optical Monitoring (DOM) capabilities is crucial for network administrators to monitor the health and performance of the optical link. DOM provides real-time information on key parameters such as optical power, temperature, and signal quality, enabling proactive maintenance and troubleshooting.
• LC Connector: The presence of an LC (Lucent Connector) interface ensures compatibility with standard fiber optic connectors. LC connectors are widely used in networking applications due to their compact size and ease of use, making the Cisco QDD-400G-FR4-S versatile and adaptable to various network configurations.
• Single-Mode Fiber (SMF) Compatibility: The module is specifically designed for use with Single-Mode Fiber (SMF), which is known for its ability to transmit signals over longer distances with minimal signal loss. This compatibility makes the Cisco QDD-400G-FR4-S suitable for long-haul and high-performance networking scenarios.

Let's delve deeper into the technical specifications of the Cisco QDD-400G-FR4-S, providing a comprehensive understanding of its capabilities.

• Data Rate: The Cisco QDD-400G-FR4-S supports a blazing-fast data rate of 400 gigabits per second (400G). This ensures rapid and efficient data transfer, catering to the needs of bandwidth-intensive applications and high-performance networks.
• Form Factor: The module adheres to the QSFP-DD (Quad Small Form-Factor Pluggable Double Density) form factor, which is a compact and standardized design widely adopted in the industry. The QSFP-DD form factor enables high port density, allowing network architects to maximize the use of available space in data center environments.
• PAM4 Modulation Scheme: PAM4 modulation is employed to achieve efficient data encoding. This modulation scheme represents a significant advancement over traditional NRZ (Non-Return-to-Zero) modulation, allowing for higher data rates and improved spectral efficiency.
• Wavelength and Optical Reach: Operating at a wavelength of 1310nm, the Cisco QDD-400G-FR4-S is optimized for performance in the specified frequency range. With a reach of 2km over Single-Mode Fiber (SMF), this module is suitable for a wide range of applications requiring connectivity over extended distances.
• Digital Optical Monitoring (DOM) Support: The module incorporates Digital Optical Monitoring (DOM) functionality, providing real-time insights into critical parameters such as optical power, temperature, and received signal quality. This feature enhances the manageability and reliability of the optical link, facilitating proactive maintenance and rapid issue resolution.
• LC Connector Type: The LC connector is a standardized fiber optic connector known for its compact design and ease of use. The presence of an LC interface in the Cisco QDD-400G-FR4-S ensures seamless compatibility with a variety of fiber optic networks and configurations.
• Temperature Range: The module operates within a specified temperature range, ensuring reliable performance under varying environmental conditions. The temperature range is a crucial consideration for deployments in diverse geographic locations and within data centers with different cooling setups.

The Cisco QDD-400G-FR4-S finds applications in a wide array of networking scenarios where high-speed and reliable data transmission are paramount. Let's explore some key application areas where this optical transceiver module excels:

• Data Centers: In the modern era of cloud computing and data-intensive applications, data centers demand high-speed connectivity solutions. The Cisco QDD-400G-FR4-S, with its 400G data rate and PAM4 modulation, is well-suited for data center interconnects, supporting the rapid and efficient exchange of large volumes of data between servers, storage systems, and networking equipment.
• Telecommunications Networks: Telecommunications networks require robust and high-performance optical solutions to meet the demands of increasing data traffic. The Cisco QDD-400G-FR4-S, operating over Single-Mode Fiber (SMF) and offering a reach of 2km, is ideal for long-distance connections within telecommunications infrastructures.
• High-Performance Computing (HPC): High-performance computing environments, including supercomputing clusters and scientific research facilities, rely on ultra-fast and reliable communication between computing nodes. The Cisco QDD-400G-FR4-S facilitates the high-speed data exchange essential for parallel processing and scientific simulations.
• Enterprise Networks: Enterprises with high-bandwidth requirements benefit from the Cisco QDD-400G-FR4-S in optimizing their network infrastructure. Whether connecting remote offices or supporting bandwidth-intensive applications within the organization, this optical transceiver module ensures seamless and efficient data transmission.

The QDD-400G-FR4-S is a 400G optical transceiver module designed for use in high-speed data networks. It provides fiber optic connectivity for data transmission and supports the 400 Gigabit Ethernet (400GbE) standard.

The transceiver supports the duplex LC connector and provides up to 2 km of reach over single-mode fiber optic cable. This allows it to transmit data over long distances, making it suitable for use in data centers, service provider networks, and other network environments where long-distance data transmission is required.

The QDD-400G-FR4-S transceiver is designed to be plug-and-play, meaning that it can be easily installed and connected to network equipment. This helps to minimize the time and resources required to manage network connectivity. Additionally, the transceiver is hot-swappable, which means that it can be removed and replaced without disrupting the network, helping to ensure high availability and minimize downtime.

The transceiver provides high-speed, reliable fiber optic connectivity, and its support for industry standards helps to ensure that it is compatible with a wide range of network equipment and services. By providing fast, reliable network connectivity, the QDD-400G-FR4-S helps to ensure the performance and scalability of Cisco networks.

The QDD-400G-FR4-S is a 400G optical transceiver module designed and manufactured by Cisco Systems. One of the key benefits of this transceiver is its compatibility and interoperability with a wide range of network equipment and protocols.

The QDD-400G-FR4-S is compliant with industry standards, including the QSFP-DD and OSFP transceiver standards. This helps to ensure that it is compatible with a wide range of network equipment and services and that it can be used in a variety of network environments.

Additionally, the QDD-400G-FR4-S is designed to be interoperable with other 400G optical transceiver modules, including those from other manufacturers. This helps to ensure that network administrators have the flexibility to choose the best transceiver for their specific network requirements and that they can easily switch between transceivers if needed.

• Manufacturer: Cisco
• Part Number or SKU# QDD-400G-FR4-S
• Product Type: Transceiver Module
• Product Name: 400GBase-FR4 Single-mode
• Form Factor: Plug-in Module

• Connectivity Technology: Wired
• Cabling Type: 400GBASE-FR4
• Data Link Protocol: 400 Gigabit LAN
• Data Transfer Rate: 400 Gbps
• Optical Wavelength: 1271-1331 nm
• Max Transfer Distance: 1.2 Miles
• Features: Digital Optical Monitoring (DOM) Support
• Compliant Standards: IEEE 802.3bs

• Interfaces: 1 x Ethernet 400GBASE-FR4 - LC Single-mode

Outline, the Cisco QDD-400G-FR4-S 400GBase-FR4 QSFP-DD PAM4 1310nm 2km DOM LC SMF Optical Transceiver Module stands as a testament to the advancements in optical communication technology. With its high data rate, PAM4 modulation, and compatibility with industry-standard connectors and fiber types, this module addresses the growing need for faster and more reliable data transmission in contemporary networks. Whether deployed in data centers or telecommunication networks, its features and capabilities position it as a reliable and efficient solution for the challenges of modern networking. As technology continues to evolve, optical transceiver modules like the Cisco QDD-400G-FR4-S play a pivotal role in shaping the future of high-speed data communication.