Dual-Rate 10/25G Transceiver Module Overview

Posted on Jan 22, 2024 by

In the realm of network communications, the accelerating demands for data processing have made the integration of high-speed, stable, and flexible data transmission solutions a daunting challenge for many enterprises. This article will delve into a solution that not only meets the needs of contemporary data centers but also takes into account cost efficiency—the 10/25G dual-rate optical module. With its versatility and economic viability, the dual-rate module represents a strategic convergence of performance and scalability that is well-suited for the evolving landscape of network infrastructure.

What Is 10/25G Dual Rate Module?

The 10/25G dual-rate module is a type of optical transceiver that supports two different data rate options: 10 gigabits per second (Gbps) and 25 Gbps. It is designed to interoperate with network equipment and switch dynamically between these two speeds depending on the capabilities of the connected devices and the requirements of the network.

Dual-rate modules offer a high degree of flexibility for network infrastructure, as they can cater to various deployment scenarios without the need for multiple types of transceivers. This can significantly reduce the complexity of managing network upgrades and inventory, as the same module can be used across different network segments that operate at either 10Gbps or 25Gbps speeds.

In practical terms, a dual-rate module typically includes a form factor such as SFP28 (small form-factor pluggable 28), which is commonly used for 25Gbps networking but can also support 10Gbps to ensure backward compatibility with older equipment. This enables IT managers to future-proof their networks and provides an upgrade path from 10G Ethernet to 25G Ethernet without needing a complete overhaul of the existing cabling infrastructure.

The dual-rate functionality is particularly useful for data centers looking to optimize bandwidth, manage costs effectively, and prepare for increasing data traffic demands while maintaining compatibility with existing 10G network equipment.

10/25G Transceiver

Applications of 10/25G Dual Rate Module

The 10/25G dual rate module is an optical transceiver that can operate at two different data rates, 10 Gbps and 25 Gbps. This versatility allows the module to be used with a wide range of networking equipment and in various scenarios to meet the demands of modern data centers and enterprise networks. Here are some applications where a 10/25G dual rate module may be particularly beneficial:

Migration from 10G to 25G Networks

Businesses looking to upgrade their networking infrastructure from 10G to 25G can use dual rate modules to ensure backward compatibility during the transition. This allows for a gradual migration and minimizes downtime.

Data Centers

Data centers that require high bandwidth connections between servers, storage systems, and network switches can benefit from the higher data rates of 25G. The dual rate capability ensures compatibility with existing 10G equipment.

High-Density Networks

In environments where rack space is at a premium, dual rate modules can help maximize port density and reduce space requirements by allowing network managers to consolidate connections and gradually upgrade to higher speeds as needed.

Enterprise Networking

For enterprise networks that need a mix of 10G for legacy devices and 25G for newer, high-throughput applications, dual rate modules offer flexible connectivity options.

Hybrid Cloud Environments

Companies leveraging a mix of on-premises and cloud infrastructures can use dual rate transceivers to facilitate efficient data transfer between different parts of their network, which may operate at different speeds.

Cost-Effective Upgrades

Organizations with budget constraints can invest in dual rate modules to future-proof their network infrastructure without the immediate need to replace all existing equipment, making it a more economical upgrade path.

Spine-Leaf Architecture

In modern data center topologies, like the spine-leaf architecture, dual rate modules can be used in leaf switches to connect to 10G servers while maintaining a 25G uplink to the spine switches.

Telecom and Carrier Networks

Telecom operators and service providers can use dual rate modules to offer customers a range of services that operate at 10G or 25G, depending on their requirements.

In essence, 10/25G dual rate modules help provide flexibility, scalability, and investment protection for network infrastructure. They enable network managers to balance performance needs with budget constraints, and they can be a strategic choice for phased network upgrades, ensuring compatibility between different generations of networking equipment.

Introduction of FS 10/25G Dual Rate Module

10/25G Transceiver

FS dual-rate modules have garnered high praise in the market due to their exceptional reliability, excellent compatibility, and effective cost control. These modules stand out as the preferred choice for enhancing network performance and efficiency. Below is a parameter comparison of FS 10/25G dual-rate module.

   SFP-10/25GSR-85  SFP-10/25GCSR-85  SFP-10/25GLR-31  SFP-10/25LR-31-I SFP-10/25G-BX-I
Wavelength 850nm 1310nm 850nm 1310nm 1330nm-TX/1270nm-RX; 1270nm-TX/1330nm-RX
Connector Duplex LC Simplex LC
Max Cable Distance 100m@OM4/70m@OM3 at 25G; 100m@OM3 at 10G 400m@OM4/300m@OM3 10km
Transmitter Type VCSEL DFB
DOM Support
Form Factor SFP28
Operating Temp 0 to 70°C (32 to 158°F) -40 to 85°C (-40 to 185°F)


With the continuous evolution of network technology and the growing demand for flexibility in data centers, 10/25G dual-rate modules are poised with immense potential. Offering a cost-effective solution, they address the challenges of rate adaptability and future compatibility, making them a wise choice for constructing advanced and dependable network infrastructure.

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