Cisco QSFP-100G-ER4L-S 100 GBASE QSFP Transceiver Refurbished

In the realm of networking and telecommunications, the Cisco QSFP-100G-ER4L-S has emerged as a significant player, offering robust capabilities in the field of high-speed data transmission. This transceiver module belongs to the QSFP (Quad Small Form-Factor Pluggable) family and is specifically designed for 100 Gigabit Ethernet (100GbE) applications. In this comprehensive guide, we will delve into the intricacies of the Cisco QSFP-100G-ER4L-S, exploring its features, specifications, and applications.

The Cisco QSFP-100G-ER4L-S is a 100GBASE (100 Gigabit Ethernet) transceiver module, meaning it is capable of transmitting data at a speed of 100 gigabits per second. This high data rate makes it suitable for demanding networking environments where large volumes of data need to be transferred rapidly and efficiently.

The "ER4L" in the product name stands for "Extended Range 4 lanes," indicating that this module is optimized for long-distance transmissions. The "S" denotes that it is designed for Single-Mode Fiber (SMF), a type of optical fiber that allows the transmission of a single mode or ray of light along its core.

• Single-Mode Fiber Compatibility: The QSFP-100G-ER4L-S is engineered to work with Single-Mode Fiber, which is ideal for long-distance data transmission. Single-Mode Fiber has a smaller core diameter compared to Multi-Mode Fiber, enabling it to carry signals over greater distances without signal degradation.
• 40km Range: One of the standout features of the Cisco QSFP-100G-ER4L-S is its impressive range of 40 kilometers. This extended range makes it suitable for applications where data needs to travel across vast distances without sacrificing performance.
• Wavelength and Duplex LC Connector: The QSFP-100G-ER4L-S operates at a wavelength of 1310nm, providing a specific frequency for optimal data transmission. Additionally, it utilizes a Duplex LC Connector, which is a standard fiber optic connector known for its reliability and ease of use.
• QSFP Form Factor: The Quad Small Form-Factor Pluggable (QSFP) design ensures compatibility with a wide range of networking equipment. This standardized form factor allows for hot-swapping, meaning the module can be replaced or upgraded without shutting down the entire network.

• Data Rate: The Cisco QSFP-100G-ER4L-S operates at a data rate of 100 gigabits per second. This high-speed capability positions it as a solution for bandwidth-intensive applications.
• Wavelength: The transceiver module operates at a wavelength of 1310nm. This specific wavelength is chosen for its performance characteristics in Single-Mode Fiber, ensuring efficient data transmission.
• Connector Type: With a Duplex LC Connector, the QSFP-100G-ER4L-S follows a widely adopted standard for fiber optic connections. The Duplex LC Connector provides a reliable and efficient means of connecting the module to the network.
• Maximum Distance: The Cisco QSFP-100G-ER4L-S is optimized for long-distance transmissions, with a maximum reach of 40 kilometers. This extended range makes it suitable for scenarios where data must traverse considerable distances.
• Form Factor: The QSFP form factor ensures compatibility with various networking devices and switches. This standardized design facilitates interoperability and ease of integration into existing network infrastructures.

• Data Center Connectivity: The high data rate and extended range of the QSFP-100G-ER4L-S make it well-suited for data center applications. It can efficiently handle the large volume of data generated and transmitted within modern data centers.
• Long-Haul Networking: With its 40km range, the QSFP-100G-ER4L-S is an excellent choice for long-haul networking applications. This includes scenarios where data needs to be transmitted across cities or even between different geographical locations.
• Telecommunication Networks: Telecommunication networks, especially those requiring high-speed and long-distance connectivity, can benefit from the capabilities of the Cisco QSFP-100G-ER4L-S. It ensures reliable data transmission in demanding telecommunications environments.
• High-Performance Computing: Environments that demand high-performance computing, such as scientific research institutions and supercomputing centers, can leverage the speed and range of the QSFP-100G-ER4L-S for seamless data communication.

The QSFP-100G-ER4L-S is a compatible transceiver module for a wide range of Cisco network devices and switches, including:

• Cisco Nexus Series Switches: This transceiver is compatible with the Nexus 9000 Series, Nexus 7000 Series, and Nexus 6000 Series switches, among others.
• Cisco Router Series: The QSFP-100G-ER4L-S is compatible with routers such as the Cisco ASR 9000 Series and the Cisco NCS 6000 Series.
• Cisco Switch Series: This transceiver is compatible with switches such as the Cisco Catalyst 9000 Series, Catalyst 6800 Series, and Catalyst 6500 Series.
• Other Cisco Devices: The QSFP-100G-ER4L-S is also compatible with other Cisco devices such as the Cisco Aggregation Services Routers (ASR), Cisco IP Services Routers (ISR), and Cisco Enterprise Network Compute System (ENCS).

It is important to note that compatibility may vary based on the specific model and firmware version of the device. It is recommended to check the compatibility of the QSFP-100G-ER4L-S with the specific device before purchasing and installing.

Network Performance and Link Length

The network performance and link length of the QSFP-100G-ER4L-S Cisco 100GBASE transceiver are important factors that determine its ability to deliver high-speed and reliable data transfer in a network environment.

• Network Performance: The QSFP-100G-ER4L-S provides data transfer rates of up to 100 Gbps, allowing for high-speed data transfer in large data centers and enterprise networks. Additionally, the use of advanced optical technologies and design techniques provides improved signal quality and lower bit error rates, ensuring reliable network performance.
• Link Length: The QSFP-100G-ER4L-S has a reach of 40 km, making it ideal for long-distance network connections between data centers. This allows for the creation of scalable and flexible network topologies that can accommodate growing data center and enterprise network requirements.

It is important to note that the actual link length may vary depending on several factors, including the quality of the optical fiber, the number of optical splices, and the presence of optical loss. Network engineers should carefully consider these factors when deploying the QSFP-100G-ER4L-S in a network environment.

Power Consumption and Heat Dissipation

The power consumption and heat dissipation of the QSFP-100G-ER4L-S Cisco 100GBASE transceiver are important considerations in network design and operation. The following are some key points to consider:

• Power Consumption: The QSFP-100G-ER4L-S has a low power consumption, typically in the range of 2.5 to 3.5 watts. This low power consumption reduces the overall power requirements of the network, which can help reduce energy costs and improve energy efficiency.
• Heat Dissipation: The QSFP-100G-ER4L-S has efficient heat dissipation capabilities, which helps to maintain the transceiver's temperature within acceptable limits. This ensures reliable operation of the transceiver and helps to prevent damage to sensitive components.
• Cooling Requirements: The QSFP-100G-ER4L-S is designed for use in a temperature-controlled environment, such as a data center or equipment room. Adequate cooling must be provided to ensure that the transceiver operates within its specified temperature range.
• Airflow: The QSFP-100G-ER4L-S should be installed in a location that allows for adequate airflow, as this will help to dissipate heat and maintain the transceiver's temperature within acceptable limits.
• Thermal Design: The thermal design of the QSFP-100G-ER4L-S has been optimized to provide efficient heat dissipation while minimizing power consumption. This helps to ensure the reliable and efficient operation of the transceiver in the network.

• Manufacturer: Cisco
• Part Number or SKU# QSFP-100G-ER4L-S
• Product Type: Transceiver Module
• Product Name: 100GBASE QSFP Transceiver Module

• Media Type: Optical Fiber
• Fiber Mode: Single-mode
• Ethernet Technology: 100 Gigabit Ethernet
• Network Technology: 100gbase-er4
• Interfaces/Ports: 1 x LC Duplex for 100gbase-er4 Network

Finally, the Cisco QSFP-100G-ER4L-S stands out as a reliable and high-performance solution for 100 Gigabit Ethernet applications requiring long-distance transmissions. Its compatibility with Single-Mode Fiber, 40km range, and standardized QSFP form factor makes it a versatile choice for various networking scenarios, including data centers, telecommunications, and high-performance computing.

Understanding the technical specifications, installation procedures, and potential troubleshooting steps is crucial for maximizing the benefits of the QSFP-100G-ER4L-S. As technology continues to advance, Cisco remains at the forefront of providing innovative networking solutions, and the QSFP-100G-ER4L-S is a testament to its commitment to meeting the demands of modern connectivity. Whether facilitating data exchange in a bustling data center or enabling long-haul communication in telecommunication networks, the Cisco QSFP-100G-ER4L-S plays a pivotal role in shaping the future of high-speed, long-range data transmission.