UCS-SFP-1WLR= Cisco 10GBPS 1310nm Optical SFP+ Transceiver Module

Cisco UCS-SFP-1WLR= 10Gbps Optical SFP+ Transceiver Module

The Cisco UCS-SFP-1WLR= is a high-speed 10Gbps optical SFP+ transceiver module engineered to deliver reliable long-range fiber connectivity for enterprise networking environments. Designed by Cisco, a global leader in networking technology, this transceiver ensures stable data transmission across demanding data center, enterprise switching, and server networking infrastructures.

General Information

• Manufacturer: Cisco
• Part Number: UCS-SFP-1WLR=
• Product Type: 10G Optical Transceiver Module
• Data Rate: 10Gbps (10 Gigabit Ethernet)
• Wavelength: 1310nm

Key Optical Performance Features

• Supports long-range transmission up to 10 kilometers over single-mode fiber
• Operates at a 1310nm wavelength for stable optical performance
• Enhanced signal integrity for low latency and minimal packet loss
• Hot-swappable SFP+ form factor for flexible deployment

Compatibility Advantages

• Fully compatible with Cisco UCS servers and networking equipment
• Supports standard SFP+ ports across enterprise switches and routers
• Easy plug-and-play installation with minimal configuration required

Design Benefits

• Low power consumption for reduced operational costs
• Compact SFP+ form factor optimized for high-density racks
• Thermally efficient design for stable long-term operation

Typical Applications

• Data center interconnect (DCI) over long distances
• Enterprise backbone network links
• Cloud infrastructure and virtualization environments
• High-speed server-to-switch connectivity
• Campus and metropolitan area network deployments

Operational Advantages

• Stable 10Gbps throughput for demanding applications
• Reduced signal degradation over long fiber distances
• Improved network scalability for enterprise expansion

Deployment Highlights

• Hot-swappable installation without system downtime
• Automatic recognition by supported Cisco devices
• Minimal maintenance requirements after installation

Cisco UCS-SFP-1WLR= Transceiver Module Overview

The Cisco UCS-SFP-1WLR= 10GBase-LR 1310nm Optical SFP+ Transceiver Module represents a high-performance networking component engineered for modern enterprise infrastructures, cloud data centers, and high-speed storage networks. Designed to support 10 Gigabit Ethernet over long-range single-mode fiber, this optical module ensures stable, low-latency, and energy-efficient data transmission across extended distances. It is widely deployed in Cisco Unified Computing System (UCS) environments where reliability, scalability, and consistent throughput are critical for mission-critical workloads.

As organizations continue to scale virtualization, cloud-native workloads, and high-bandwidth applications, the demand for robust optical interconnects like the Cisco UCS-SFP-1WLR= becomes increasingly essential. Its 1310nm wavelength enables efficient long-reach transmission, making it ideal for inter-building connections, campus networking, and backbone aggregation layers in enterprise architectures.

Optimized for Mission-Critical Networking Performance

The module is designed to deliver consistent 10Gbps throughput while maintaining signal integrity across long-distance fiber runs. It is commonly used in environments that require deterministic network behavior, such as financial systems, healthcare data centers, virtualization clusters, and hyperscale computing environments. Its engineering ensures minimal packet loss, reduced jitter, and stable optical performance under continuous workloads.

Seamless Integration with Cisco UCS Ecosystem

The Cisco UCS-SFP-1WLR= is fully compatible with Cisco UCS fabric interconnects, switches, and networking appliances that support SFP+ interfaces. This ensures seamless interoperability within Cisco-centric infrastructures, reducing configuration complexity and improving deployment efficiency. The module is hot-swappable, allowing network administrators to upgrade or replace components without disrupting live network traffic.

Technical Architecture of Cisco 10GBase-LR SFP+ Optical Modules

1310nm Laser-Based Long Reach Transmission Design

At the core of the Cisco UCS-SFP-1WLR= module is a 1310nm distributed feedback (DFB) laser transmitter designed for long-reach optical communication. This wavelength is optimized for single-mode fiber (SMF), enabling transmission distances up to 10 kilometers depending on fiber quality and link conditions. The 1310nm spectrum is widely adopted in enterprise backbones due to its balance of low attenuation and high signal stability.

The optical design minimizes dispersion effects and ensures that signal degradation remains within acceptable thresholds even over extended distances. This makes the module highly reliable for inter-building links and metropolitan area network (MAN) deployments.

Receiver Sensitivity and Signal Integrity Optimization

The receiver component of the transceiver is engineered with high sensitivity photodiodes capable of detecting low-power optical signals with precision. This ensures that even in environments with moderate fiber loss or aging infrastructure, the module maintains reliable data reception. Integrated signal conditioning circuits further enhance performance by reducing noise and improving bit error rates.

Digital Diagnostic Monitoring (DDM) Support

The Cisco UCS-SFP-1WLR= supports Digital Diagnostic Monitoring, allowing administrators to monitor real-time parameters such as optical power levels, temperature, voltage, and laser bias current. This feature enhances network visibility and enables proactive maintenance strategies, reducing downtime and improving operational efficiency in large-scale deployments.

Deployment Scenarios and Enterprise Use Cases

Data Center Backbone Connectivity

In modern data centers, high-speed interconnects are essential for maintaining efficient traffic flow between servers, storage arrays, and network switches. The Cisco UCS-SFP-1WLR= is frequently deployed in spine-leaf architectures where 10Gbps links form the backbone of east-west traffic communication. Its low latency and high reliability make it suitable for virtualized workloads and distributed computing systems.

Cloud Infrastructure and Virtualization Platforms

Cloud service providers and enterprise virtualization environments depend heavily on stable optical connectivity to support virtual machine migration, storage replication, and distributed application services. The 10GBase-LR module ensures smooth data movement across hypervisor clusters, improving workload balancing and reducing performance bottlenecks.

Enterprise Campus and Inter-Building Links

For large enterprise campuses, the ability to connect multiple buildings over long distances is critical. The UCS-SFP-1WLR= enables high-speed interconnectivity between network closets, distribution switches, and core routers across campus environments. Its single-mode fiber compatibility ensures minimal signal loss over extended physical layouts.

Compatibility and System Integration Considerations

Cisco UCS Platform Compatibility

The Cisco UCS-SFP-1WLR= is designed specifically for Cisco Unified Computing System environments, ensuring tight integration with UCS Fabric Interconnects and compatible switches. This guarantees optimal performance and eliminates compatibility issues that may arise with third-party optical modules.

Its standardized SFP+ form factor allows it to be used in a wide range of Cisco networking equipment, including aggregation switches, top-of-rack switches, and core routing platforms that support 10GbE optical uplinks.

Hot-Swappable Design for Operational Flexibility

One of the key advantages of this module is its hot-swappable capability, which allows network engineers to install or replace the transceiver without shutting down the system. This feature is critical in high-availability environments where uptime is a top priority. It enables maintenance activities and upgrades without service interruptions.

Interoperability with Single-Mode Fiber Infrastructure

The module is optimized for OS2 single-mode fiber cabling, which is commonly used in long-distance enterprise networking. Proper fiber selection ensures maximum performance and minimizes signal degradation, enabling consistent 10Gbps throughput across the full supported range.

Performance Characteristics and Operational Efficiency

10 Gigabit Ethernet Throughput Stability

The Cisco UCS-SFP-1WLR= delivers a consistent 10Gbps data rate, making it suitable for bandwidth-intensive applications such as database replication, video streaming, large-scale virtualization, and high-frequency trading systems. Its architecture ensures minimal packet delay variation and stable throughput under peak loads.

Low Power Consumption Design

Energy efficiency is a key design consideration in modern data center hardware. This transceiver module is optimized for low power consumption while maintaining high optical output performance. Reduced energy usage contributes to lower operational costs and improved thermal management within densely populated networking environments.

Thermal Stability and Environmental Resilience

The module is engineered to operate reliably within a wide temperature range, ensuring stable performance in both controlled data center environments and more demanding edge deployments. Thermal regulation mechanisms help maintain optimal laser performance and prevent signal drift under varying load conditions.

Network Design Considerations for 10GBase-LR Deployment

Fiber Optic Planning and Infrastructure Design

Implementing Cisco UCS-SFP-1WLR= modules requires careful planning of fiber optic infrastructure. Single-mode fiber cabling must be deployed with proper termination and connector cleanliness to ensure minimal signal loss. Network architects must consider link distances, patch panel placement, and redundancy paths to optimize performance.

Redundancy and High Availability Architectures

In enterprise environments, redundancy is essential to maintain uninterrupted service. The module is often deployed in redundant link configurations where multiple optical paths ensure continuous connectivity even in the event of fiber or hardware failure. This is particularly important in mission-critical systems such as financial platforms and healthcare networks.

Scalability in Evolving Network Topologies

As organizations grow, their networking requirements evolve. The Cisco UCS-SFP-1WLR= supports scalable deployment models where additional 10G links can be added without redesigning the entire infrastructure. This flexibility makes it suitable for growing enterprises and expanding cloud environments.

Application in Modern Cloud and High-Performance Computing

Role in High-Bandwidth Computing Clusters

High-performance computing (HPC) environments require ultra-fast and reliable interconnects to handle large-scale computations and distributed processing workloads. The Cisco UCS-SFP-1WLR= enables efficient data exchange between compute nodes, storage systems, and orchestration layers.

Support for Big Data and Analytics Workloads

In big data environments, massive datasets must be transferred quickly between storage and processing nodes. This optical module ensures that data pipelines remain efficient and scalable, reducing bottlenecks in analytics workflows and improving processing speed.

Integration with Virtualized Storage Networks

Storage area networks (SANs) and network-attached storage (NAS) systems benefit significantly from 10GbE connectivity. The Cisco UCS-SFP-1WLR= ensures stable communication between storage arrays and compute clusters, enabling high-speed data replication and backup operations.

Security and Data Integrity in Optical Transmission

Signal Isolation and Physical Layer Security

Optical fiber inherently provides a higher level of physical security compared to copper-based transmission. The UCS-SFP-1WLR= enhances this advantage by ensuring signal integrity across long distances without electromagnetic interference. This makes it suitable for sensitive environments such as government, defense, and financial institutions.

Minimization of Data Corruption Risks

Through advanced error reduction mechanisms and stable optical signaling, the module minimizes the risk of data corruption during transmission. This ensures that critical workloads maintain accuracy and consistency across distributed systems.

Reliable Transmission in Electromagnetic Environments

Unlike copper-based solutions, fiber optic transmission is immune to electromagnetic interference. This makes the Cisco UCS-SFP-1WLR= ideal for deployment in environments with heavy electrical equipment or industrial networking zones.