Description
Overview of the Ethernet Transceiver Module
In the world of networking, connectivity is of utmost importance. Whether it’s in a data center, a corporate office, or even in our homes, we rely on network equipment to ensure that our devices can communicate with each other seamlessly. One vital component in this network infrastructure is the Cisco SFP-25G-ER-I 25 Gigabit Single-mode LC Connector Ethernet Transceiver Module. In this detailed guide, we will explore the intricacies of this module, breaking down its features, capabilities, applications, and how it plays a significant role in modern networking.
Understanding Transceiver Modules
Before we dive into the specifics of the Cisco SFP-25G-ER-I, it’s essential to grasp the concept of transceiver modules and their role in network communication.
A transceiver module, also known simply as a transceiver, is a compact electronic device that combines both a transmitter and a receiver. It is designed for bidirectional data transmission, making it a fundamental building block in networking equipment. Transceiver modules are used to connect network devices, such as switches, routers, and servers, to various types of cables, enabling data transmission over optical fiber or copper media.
The Cisco SFP-25G-ER-I Transceiver Module
Now that we have a general understanding of transceiver modules, let’s focus on the Cisco SFP-25G-ER-I.
The Cisco SFP-25G-ER-I is a 25 Gigabit Single-mode LC Connector Ethernet Transceiver Module. This compact module is part of Cisco’s extensive range of networking solutions and plays a crucial role in enabling high-speed data transmission over long distances.
Key FeaturesData Rate
One of the standout features of the Cisco SFP-25G-ER-I is its impressive data rate of 25 gigabits per second (Gbps). This high-speed data transfer capability makes it suitable for demanding applications that require rapid data transmission, such as data centers, high-performance computing, and cloud computing environments.
Single-mode Fiber
This transceiver module is designed for use with single-mode optical fiber, which is known for its ability to transmit data over longer distances with minimal signal loss. Single-mode fiber allows the Cisco SFP-25G-ER-I to cover extended distances while maintaining high data integrity.
LC Connector
The module is equipped with an LC (Lucent Connector) interface. LC connectors are widely used in fiber optic networking due to their small size and excellent performance. The LC connector ensures a secure and reliable connection between the module and the optical fiber.
Long-Range Capabilities
The “ER” in the product name stands for “Extended Reach,” highlighting the module’s ability to transmit data over long distances. The Cisco SFP-25G-ER-I can cover distances of up to 40 kilometers (approximately 25 miles), making it suitable for scenarios where data must travel across expansive network infrastructures.
Compact Form Factor
This transceiver module follows the SFP (Small Form-factor Pluggable) standard, ensuring a compact form factor. This standardized design allows for easy integration into compatible network equipment, such as switches and routers, without taking up excessive space.
Compatibility
The Cisco SFP-25G-ER-I is designed to be compatible with a range of Cisco networking devices. It’s important to ensure that the module is used with compatible hardware to guarantee optimal performance.
Use Cases
Data Centers
Data centers are the heart of modern computing, managing vast amounts of data and processing power. The Cisco SFP-25G-ER-I is a key component for connecting servers, storage arrays, and networking equipment within data centers. Its high data rate and long-range capabilities make it a suitable choice for interconnecting data center components, even in large facilities.
Metropolitan Area Networks (MANs)
Metropolitan Area Networks (MANs) are networks that cover a city or a large campus area. These networks often require data transmission over longer distances, and the Cisco SFP-25G-ER-I excels in this scenario. It can be used to connect network segments across a city or a campus, ensuring efficient communication between different locations.
Telecommunications
The telecommunications industry relies heavily on optical fiber for data transmission. The Cisco SFP-25G-ER-I is well-suited for use in telecommunications networks, where it can support long-haul data transmission, connecting cell towers, central offices, and other critical network infrastructure components.
High-Performance Computing
In fields like scientific research, finance, and engineering, high-performance computing (HPC) clusters are used to tackle complex calculations and simulations. These clusters often require rapid data exchange between nodes, and the Cisco SFP-25G-ER-I can facilitate this high-speed data transfer.
Remote Locations
In some scenarios, network connectivity is needed in remote or geographically isolated locations. The extended reach capabilities of this module make it suitable for establishing network connections in such challenging environments, providing a reliable link for data transmission.
Benefits of Using the Cisco SFP-25G-ER-I
The Cisco SFP-25G-ER-I offers a range of benefits that make it a preferred choice for high-speed, long-distance data transmission:
High Speed
The module’s 25 Gbps data rate is ideal for applications that demand rapid data transfer, ensuring that large volumes of data can be transmitted quickly.
Long-Range Capabilities
The extended reach of up to 40 kilometers makes it suitable for connecting network segments over considerable distances, reducing the need for additional networking infrastructure.
Reliable Connectivity
The use of single-mode fiber and LC connectors ensures reliable and consistent network connectivity, reducing the likelihood of signal loss or interruptions.
Compact Design
The small form factor of the module allows for efficient use of space in networking equipment, making it ideal for environments where space is limited.
Compatibility
Being part of Cisco’s product line, the SFP-25G-ER-I is designed to work seamlessly with Cisco hardware, ensuring compatibility and reliability.
General Information about the Cisco SFP-25G-ER-I
- Manufacturer: Cisco
- Model Number or SKU# SFP-25G-ER-I
- Product Type: Transceiver Module
Interfaces/Ports of Transceiver Module
- Total Number of Ports: 1
- Connector Type: LC
- Interfaces/Ports Details: 1 x LC Duplex 25GBase-ER Network
Media & Performance
- Media Type Supported: Optical Fiber
- Fiber Optic Cable Standard: 1295.56 nm, 1310 nm
- Fiber Mode Supported: Single-mode
- Ethernet Technology: 25 Gigabit Ethernet
- Network Technology: 25GBase-ER
- Maximum Distance Supported: 98425.20 ft
- Maximum Data Transfer Rate: 25 Gbit/s
Miscellaneous
Compatibility with Cisco Routers:
- N540-24Z8Q2C-SYS
- N540-24Z8Q2C-SYS=
- N540-ACC-SYS
- N540-ACC-SYS=
- N540-ACC-SYS-RF
- N540X-16Z4G8Q2C-A
- N540X-16Z4G8Q2C-A=
- N540X-16Z4G8Q2C-D
- N540X-ACC-SYS
- N540X-ACC-SYS=
- NCS-55A2-MOD-HD-S
- NCS-55A2-MOD-HD-S=
- NCS-55A2-MOD-HX-S
- NCS-55A2-MOD-S
- NCS-55A2-MOD-S=
- NCS-55A2-MOD-SE-S
- NCS-55A2-MOD-SE-S=
- NCS-55A2-MOD-S-RF
- NCS-55A2-MOD-S-WS
- NCS-55A2-MOD-SYS
- NCS-55A2-MOD-SYS=
In summary, the Cisco SFP-25G-ER-I 25 Gigabit Single-mode LC Connector Ethernet Transceiver Module is a critical component in modern networking, offering high-speed data transmission over long distances. Its impressive data rate, extended reach capabilities, and compatibility with Cisco hardware make it a valuable addition to data centers, telecommunications networks, high-performance computing clusters, and more.
As technology continues to advance and the demand for high-speed data transfer grows, transceiver modules like the Cisco SFP-25G-ER-I will remain essential in enabling reliable and efficient communication across diverse network environments. By understanding its features, applications, and best practices for installation and maintenance, network professionals can harness the power of this module to meet the connectivity needs of today and the future.
