845398-B21 HPE 25GB SFP28 100m LC SR Fiber Transceiver Module

Overview of HPE 845398-B21 SFP28 Transceiver Module

The HPE 845398-B21 SFP28 transceiver module is a high-performance networking component engineered to deliver fast and stable 25 Gigabit Ethernet connectivity. Designed for modern data centers and enterprise environments, this plug-in module ensures seamless integration with compatible switches and servers. Its compact design and efficient functionality make it an ideal solution for organizations aiming to enhance network throughput while maintaining reliability.

General Information

• Manufacturer: HPE 
• Part Number: 845398-B21
• Product Type: Transceiver Module

 Technical Specifications 

• Device Type: SFP28 transceiver module
• Form Factor: Plug-in module
• Connectivity Technology: Wired
• Cabling Type: 25GBASE-SR
• Data Link Protocol: 25 Gigabit Ethernet
• Data Transfer Speed: 25 Gbps
• Maximum Distance: 328 ft (100 m)
• Duplex Mode: Full duplex

Advantages of Full Duplex Mode

• Simultaneous two-way data transmission
• Improved network efficiency
• Reduced packet collisions
• Enhanced performance for critical applications

Interface Specifications

• 1 x Ethernet 25GBASE-SR interface
• Dual LC multi-mode connectors
• Secure and stable connections
• Easy integration with existing infrastructure

Connectivity Interfaces

• 1 x Ethernet 25GBASE-SR
• LC multi-mode connectors (dual)

The High-Performance 25Gb Ethernet Connectivity Transceiver

The HPE 845398-B21 25GB SFP28 100m LC multimode fiber transceiver module represents a critical component in modern high-speed networking infrastructures. Designed to deliver reliable and efficient 25 Gigabit Ethernet connectivity, this SFP28 module enables seamless data transmission across short-range fiber optic links. It is engineered to meet the demands of enterprise data centers, cloud environments, and high-performance computing networks where speed, stability, and low latency are essential. This transceiver operates using 25GBASE-SR technology, allowing for high-bandwidth communication over multimode fiber cables with a maximum reach of up to 100 meters. The LC duplex connector ensures compatibility with standard fiber patch cables, making it an adaptable solution for scalable network architectures. Its compact SFP28 form factor also ensures efficient port utilization in dense networking environments.

Advanced Optical Technology

This 25GBASE-SR transceiver leverages short-range optical technology to deliver high-speed communication across multimode fiber links. By utilizing LC connectors and supporting duplex fiber transmission, the module ensures precise signal delivery with minimal interference. The use of vertical-cavity surface-emitting laser (VCSEL) technology enables efficient optical signal generation, reducing power consumption while maintaining high performance.

Short-Range Connectivity

Short-range (SR) transceivers like the HPE 845398-B21 are optimized for intra-rack and inter-rack connectivity within data centers. Their ability to maintain high throughput over short distances makes them ideal for connecting switches, servers, and storage systems. This ensures seamless data exchange within localized network environments.

Optimized Cabling with 25GBASE-SR

The 25GBASE-SR standard is specifically designed for short-range optical communication over multimode fiber. This ensures cost-effective deployment while maintaining high-speed performance within data centers and enterprise networks.

Optimized for Multimode Fiber

The module is specifically designed to operate with multimode fiber cabling, including OM3 and OM4 fiber types. These fiber standards support high-speed data transmission with reduced signal attenuation, ensuring consistent performance across the supported 100-meter range.

Higher Bandwidth Efficiency

25Gb Ethernet provides a more efficient use of bandwidth compared to 10Gb solutions, allowing organizations to handle increasing data demands without significantly increasing infrastructure costs.

Form Factor and Physical Compatibility

The SFP28 form factor is designed for hot-pluggable operation, allowing network administrators to install or replace the module without powering down the system. This feature enhances network uptime and simplifies maintenance procedures.

Port Configuration

The transceiver provides one 25 Gigabit Ethernet port using LC multimode connectors. The dual-fiber design ensures simultaneous transmission and reception of data, improving overall network efficiency.

Precision Optical Performance

Optical performance is a critical factor in ensuring reliable data transmission. The HPE 845398-B21 module uses advanced laser technology to transmit data with minimal signal loss. This precision ensures consistent performance even in environments with high electromagnetic interference or heavy network traffic. The use of multimode fiber allows for cost-effective deployment while maintaining high-speed connectivity. This balance between performance and affordability makes the module a preferred choice for enterprise networks.

Reliable Signal Integrity Across Connections

Maintaining signal integrity is essential for ensuring error-free data transmission. The HPE 845398-B21 module incorporates advanced error detection and correction mechanisms, reducing the likelihood of data loss. This reliability is crucial in mission-critical applications where data accuracy is paramount. The module’s design minimizes crosstalk and interference, ensuring stable communication across all connected devices. This stability enhances overall network performance and reduces maintenance requirements.

Hot-Swappable Functionality

The HPE 845398-B21 transceiver supports hot-swappable operation, allowing it to be installed or replaced without shutting down the network. This feature minimizes downtime and ensures continuous operation, which is critical in enterprise environments. Hot- swappability enhances flexibility, enabling network administrators to quickly adapt to changing requirements.