1.Huawei OSN2500 SDH – High-Capacity, Carrier-Grade Optical Transport Platform

2.Huawei OSN2500 SDH Product Overview

Huawei OSN2500 SDH intelligent optical transmission system inherits all the characteristics of MSTP technology, and is compatible with traditional SDH and MSTP networks. It integrates SDH, PDH, Ethernet, WDM, ATM, ESCON, FC/FICON, DVB-ASI (Digital Video Broadcast- Asynchronous Serial Interface), RPR and other technologies as a new generation of 2.5G/622M multi-service optical transmission platform (MSTP), mainly used in the convergence and access layer of the metropolitan area network, for the existing SDH equipment to intelligent optical network equipment The transition provides a complete solution.

Huawei OSN2500 SDH is applied to the access layer and aggregation layer in the metropolitan area transmission network, and can be used with OptiX OSN9500, OptiX OSN7500, OptiX OSN3500, OptiX OSN35001I, OptiX OSN2500 REG, OptiX OSN1500, OptiX 2500+ (Metro3000), OptiX 155/622H (Metro1000) hybrid networking, to achieve access to services of different capacities. OSN2500 supports network topologies such as STM-1/STM-4/STM-16/level chain, ring, ring tangent, ring intersection, ring belt chain, double ring interworking, hub and mesh networks. It can also be connected with Huawei OSN series equipment, DWDM series equipment and Metro series equipment to build a complete transmission network solution.

3.Huawei OSN2500 SDH Product Specifications

4. Key Product Features

• Full SDH/OTN Compatibility: Supports legacy SDH, OTN, and modern packet-based services.
• Non-Blocking Architecture: Ensures line-rate performance across all ports without internal bottlenecks.
• Haute fiabilité: Built-in NSR (Non-Stop Routing) and ISSU (In-Service Software Upgrade) for zero service interruption.
• Intelligent QoS Management: Prioritizes critical traffic with dynamic bandwidth allocation and traffic shaping.
• IPv6 Ready: Dual-stack IPv4/IPv6 support for smooth migration to next-gen IP networks.

5. Product Applications

Core Network and Metro Optical Transport

The OSN2500 SDH serves as a high-performance optical transport node in telecom and enterprise backbone networks. Its massive throughput and low latency make it ideal for mobile backhaul, enterprise专线, and metro Ethernet, ensuring robust connectivity for distributed infrastructures.

Data Center Interconnection and Hybrid Networks

With ultra-high forwarding performance and flexible service integration, the OSN2500 SDH is well-suited for data center interconnection and hybrid SDH/Packet network scenarios. It enables hierarchical deployment models that support centralized orchestration while maintaining high availability and redundancy.

Carrier-Grade Resilience and Scalability

Designed for telecom operators, this device ensures carrier-grade reliability through redundant hardware modules, hot-swappable components, and intelligent fault detection mechanisms. Its compatibility with the Huawei OSN2500 Series allows unified management and seamless scalability across geographically dispersed networks.

6.Huawei OSN2500 SDH and Service Boards

8. Product Advantages Summary

The OSN2500 SDH offers a modular chassis design that supports incremental upgrades without service disruption, ensuring long-term investment protection. Its energy-efficient power system reduces operational costs, while its scalable architecture adapts to evolving network demands. Additionally, built-in support for SDH/OTN hybrid services and IPv6 transition strategies positions it as a future-proof solution for next-generation optical transport networks.