Extreme Networks SFP28 25GbE 6.2 Miles Transceiver Module

Overview

The Extreme Networks 10503 is a SFP28 transceiver module designed to deliver a sustained 25.78 Gbps data rate for Ethernet 25GBase-ESR connections. It extends network reach up to 6.2 miles using single-mode fiber and an LC connector, making it ideal for long-distance links such as campus backbones and point-to-point connections between buildings. This module integrates seamlessly with the ExtremeCloud E3120 appliance, providing a reliable and efficient upgrade path for networks moving beyond 10 GbE speeds.

Key features

• Supports high-speed 25.78 Gbps Ethernet links to meet growing bandwidth demands
• Uses single-mode fiber with an LC interface to enable long-distance transmission up to 6.2 miles
• Operates within a wavelength range of 1294.53 nm to 1310.19 nm for stable and consistent optical performance
• Designed for easy installation into existing SFP28 slots without requiring complex re-cabling
• Optimized for use with ExtremeCloud E3120 appliances to maintain vendor compatibility and support
• Low latency and consistent throughput ensure reliable data transfer over extended distances

Key specs

• Data rate: 25.78 Gbps
• Transmission distance: up to 6.2 miles (10 kilometers)
• Fiber type: single-mode
• Connector type: LC
• Wavelength range: 1294.53 nm to 1310.19 nm
• Compatible device: ExtremeCloud E3120 appliance

Connectivity and compatibility

This transceiver module fits into standard SFP28 slots, allowing it to integrate smoothly with compatible Extreme Networks hardware. Its single-mode fiber interface supports long-distance optical connections, making it suitable for network environments where copper cabling is impractical or insufficient. The LC connector ensures a secure and stable fiber connection, supporting high-speed data transmission across extended distances.

Ideal uses and environments

The 10503 module is well suited to enterprise and campus networks that require scalable bandwidth and extended reach between buildings or remote data closets. It works effectively in scenarios where upgrading from 10 GbE to 25 GbE is necessary without overhauling existing fiber infrastructure. Network administrators managing multi-building campuses or data centers will find this module a practical choice for enhancing core or aggregation layer capacity while maintaining operational continuity.