Cisco QSFP-100G-CWDM4-S LC Single-Mode QSFP+ Transceiver Refurbished

In the rapidly evolving landscape of networking and telecommunications, high-speed data transmission is paramount. Cisco, a leading provider of networking solutions, has introduced the Cisco QSFP-100G-CWDM4-S LC Single-Mode QSFP+ 100 Gbps Transceiver Module to address the growing demand for efficient and high-performance connectivity. This comprehensive guide aims to explore the key features, specifications, applications, and benefits of this cutting-edge transceiver module.

• Form Factor and Compatibility: The Cisco QSFP-100G-CWDM4-S LC Single-Mode QSFP+ is designed with a compact form factor, adhering to the QSFP+ standard. This allows for seamless integration into a wide range of networking equipment, ensuring compatibility with various devices such as switches and routers.
• Data Transmission Speed: With a blazing-fast data transmission speed of 100 Gbps, this transceiver module meets the demands of modern data centers and high-performance computing environments. It enables swift and efficient data transfer, supporting the ever-increasing need for bandwidth in today's networks.
• CWDM4 Technology: The CWDM4 (Coarse Wavelength Division Multiplexing 4) technology employed in this module is a crucial feature. It enables the transmission of data over four separate wavelengths, maximizing the utilization of the available optical spectrum. This results in increased data capacity without compromising on performance.
• LC Single-Mode Fiber Connectivity: The QSFP-100G-CWDM4-S module is equipped with LC connectors and is optimized for single-mode fiber (SMF) connectivity. Single-mode fibers allow for the transmission of signals over longer distances with minimal signal loss, making them suitable for large-scale data centers and long-distance connections.

Understanding the underlying technology of the QSFP-100G-CWDM4-S is crucial for grasping its capabilities and performance.

• Coarse Wavelength Division Multiplexing (CWDM): CWDM is a technology that enables the transmission of multiple signals simultaneously over a single optical fiber. It achieves this by utilizing different wavelengths (colors) of light to carry distinct channels of data.
• Single-Mode Fiber (SMF): The use of single-mode fiber in the QSFP-100G-CWDM4-S enhances its reach and efficiency. Single-mode fiber allows for the transmission of light over longer distances with minimal signal loss, making it suitable for applications where data must travel extended lengths.
• Advanced Signal Processing: The module employs advanced signal processing techniques to ensure the integrity of data transmission. This includes error correction mechanisms and signal regeneration capabilities, contributing to a stable and reliable connection.
• Hot-Pluggable Design: The hot-pluggable design of QSFP+ modules allows for easy installation and replacement without interrupting the operation of the entire network. This feature is particularly valuable in environments where uptime is critical.

• Data Center Connectivity: The Cisco QSFP-100G-CWDM4-S module is well-suited for data center environments where high-speed connectivity is essential. Its compatibility with existing networking infrastructure and ability to transmit data over long distances make it an ideal choice for connecting servers, switches, and storage devices within a data center.
• Telecommunications Networks: Telecommunications networks demand reliable and high-performance transceivers to handle the massive data traffic. The QSFP-100G-CWDM4-S module caters to these requirements, providing seamless connectivity for telecommunications equipment, and ensuring the efficient transfer of data across the network.
• Enterprise Networking: Enterprises with extensive networking needs, whether for internal communication or connecting geographically dispersed offices, can benefit from the Cisco QSFP-100G-CWDM4-S module. Its high data transmission speed and compatibility with various networking devices make it a versatile solution for enterprise-level connectivity.

• Scalability: The modular nature of the QSFP-100G-CWDM4-S allows for easy scalability. As network demands grow, organizations can simply integrate additional modules to expand their capacity without the need for significant infrastructure changes.
• Reliability and Performance: Cisco is synonymous with reliability, and the QSFP-100G-CWDM4-S is no exception. With its stable performance and adherence to industry standards, users can trust this transceiver module to deliver consistent and reliable connectivity.
• Cost-Effectiveness: While high-performance networking solutions often come with a hefty price tag, the Cisco QSFP-100G-CWDM4-S strikes a balance by offering a cost-effective solution. Organizations can achieve high-speed connectivity without compromising their budget constraints.

The QSFP-100G-CWDM4-S Cisco 100GBASE CWDM4 QSFP transceiver is a high-speed optical transceiver used for 100 Gigabit Ethernet (100GbE) network connections. It is a quad small form-factor pluggable (QSFP) transceiver, which means it contains four lanes of optical signaling that can be used for transmitting and receiving data.

The "CWDM4" in its name stands for "Coarse Wavelength Division Multiplexing 4," which is a technology that uses different wavelengths of light to transmit data over optical fiber. In this case, the transceiver uses four different wavelengths, allowing it to transmit 100 Gbps of data over a single fiber optic cable.

The QSFP-100G-CWDM4-S transceiver is compatible with Cisco 100GBASE-LR4 and 100GBASE-ER4 optical interfaces, allowing it to be used for both long-range and extended-range data center applications. It supports distances of up to 10 kilometers over single-mode fiber optic cable.

In terms of network connectivity, the QSFP-100G-CWDM4-S transceiver can be used to connect network devices, such as switches and routers, in data centers or high-performance computing environments. The transceiver interfaces with the host device via a QSFP connector and can be easily inserted and removed for upgrades, replacements, or maintenance.

Compatibility and Interoperability

Compatibility refers to the ability of a device or component to work with other devices or components without any issues or errors. Interoperability refers to the ability of different systems or components to work together and exchange information.

The QSFP-100G-CWDM4-S Cisco 100GBASE CWDM4 QSFP Transceiver is a 100 Gigabit Ethernet optical transceiver that uses Coarse Wavelength Division Multiplexing (CWDM) technology to transmit and receive data over optical fiber. The transceiver is designed to be compatible with Cisco switches and routers that support 100 Gigabit Ethernet and CWDM4.

In terms of compatibility, the QSFP-100G-CWDM4-S transceiver should be compatible with Cisco switches and routers that support 100 Gigabit Ethernet and CWDM4. The transceiver should also be compatible with other network components, such as patch panels, optical cables, and optical multiplexers, that are designed for 100 Gigabit Ethernet and CWDM4.

In terms of interoperability, the QSFP-100G-CWDM4-S transceiver should be interoperable with other devices and components that also support 100 Gigabit Ethernet and CWDM4. This means that the transceiver should be able to exchange data with other devices and components that use the same technology.

It's important to note that compatibility and interoperability can be impacted by many factors, such as the age of the components, the manufacturer, and the software version. It's always best to consult the product specifications and vendor recommendations to ensure compatibility and interoperability before installing and using the QSFP-100G-CWDM4-S transceiver in a network.

• Manufacturer: Cisco
• Part Number or SKU# QSFP-100G-CWDM4-S
• Product Type: Transceiver Module
• Product Name: LC Single-Mode QSFP+ Transceiver Module

• Data Networking: This equipment is designed for efficient data networking applications.
• Optical Network: Specifically tailored for optical network usage.

• Ports: 1 x LC Duplex
• Network Speed: 100GBase-CWDM4

• Media Type: Optical Fiber
• Fiber Mode: Single-mode
• Ethernet Technology: 100 Gigabit Ethernet
• Network Technology: 100GBase-CWDM4

• Environmentally Friendly: Yes
• Environmental Certification: RoHS-6

In short, the Cisco QSFP-100G-CWDM4-S LC Single-Mode QSFP+ 100 Gbps Transceiver Module stands out as a powerful and versatile solution for modern networking needs. Its innovative CWDM4 technology, compatibility with various networking devices, and reliability make it a valuable addition to data centers, telecommunications networks, and enterprise-level infrastructures. As the demand for high-speed connectivity continues to rise, Cisco's commitment to delivering cutting-edge solutions is evident in the design and performance of this transceiver module.