1.Huawei OSN7500 II SDH – High-Capacity, Carrier-Grade Optical Transport Platform

2.Huawei OSN7500 II SDH Product Overview

Huawei OSN7500 II SDH adopts a unified switching architecture and can be used as packet equipment and TDM equipment based on MPLS/MPLS-TP technology. With other Huawei equipment, OSN 7500II supports different networking applications: pure packet mode applications, hybrid networking applications (grouping mode and TDM mode overlay networking), and pure TDM mode applications to achieve the best processing of data services and traditional SDH services. In TDM mode, the OSN 7500 II has a large service crossover capacity, which can reach a maximum of 360Gbit/s high-order crossover and 40Gbit/s low-order crossover. In packet mode, its packet switching capacity can reach up to 320Gbit/s.

3.Huawei OSN7500 II SDH Product Specifications

4. Key Product Features

• Full SDH/OTN Compatibility: Supports legacy SDH, OTN, and modern packet-based services.
• Неблокируемая архитектура: Ensures line-rate performance across all ports without internal bottlenecks.
• Высокая надежность: Built-in NSR (Non-Stop Routing) and ISSU (In-Service Software Upgrade) for zero service interruption.
• Интеллектуальное управление QoS: 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 OSN7500 II 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 OSN7500 II 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 OSN7500 Series allows unified management and seamless scalability across geographically dispersed networks.

6. Product Advantages Summary

The OSN7500 II 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.