Huawei OSN 3500 - Intelligent optical transport switching

Delivery times, shipping and availability of the Huawei OptiX OSN 3500 from DTC

DTC is structured to support the Huawei OptiX OSN 3500 platform with speed, scale, and global reach.

Extensive availability 200,000 parts on-hand, millions more via our broker network

Rapid order dispatch Most orders dispatched the same or next working day

Worldwide fulfillment Worldwide shipping - most regions reached within 5 days

Refurbished Huawei OptiX OSN 3500 hardware supply

The Huawei OptiX OSN 3500 is an intelligent optical transport switching platform designed for next-generation metropolitan core and access networks. Built around a universal switching architecture, it supports pure TDM mode, pure packet mode (MPLS/MPLS-TP), and hybrid operation, enabling operators to run legacy SDH services alongside modern packet transport on the same hardware. The OSN 3500 is widely deployed by service providers for metro aggregation, mobile backhaul, and enterprise connectivity where multi-service support and network resilience are critical.

Universal switching architecture for TDM and packet services

The OSN 3500 provides up to 200 Gbps higher-order and 20 Gbps lower-order TDM cross-connect capacity alongside 100–160 Gbps packet switching, with 15 service slots supporting up to 12 STM-64 interfaces. In TDM mode, the platform transports SDH, PDH, ATM, and DDN services, while packet mode supports MPLS-TP for modern transport networking. Hybrid mode allows simultaneous TDM and packet operation, enabling operators to migrate gradually from legacy to all-IP architectures while maintaining a uniform platform and simplified operations.

ASON-based intelligent mesh networking

The platform integrates Automatically Switched Optical Network (ASON) technology for dynamic, policy-driven connection management across mesh topologies. ASON-enabled mesh networking provides distributed restoration and rerouting protection that can defend against multi-node failures, delivering a step change in resilience compared to traditional ring-based protection. The OSN 3500 also supports conventional protection schemes including MS-SPRing (up to 12 STM-16 two-fibre rings), 1+1 and 1:n MSP, SNCP, and a five-level dedicated service protection hierarchy.

Multi-protocol service transport

Beyond core SDH and Ethernet transport, the OSN 3500 supports a broad range of service types including ATM with VP-RING/VC-RING protection, SAN and video services, DDN, and PCM. Ethernet services include RPR and RSTP protection options. This multi-protocol capability, combined with built-in WDM support for CWDM and DWDM coloured optical interfaces, allows the platform to serve diverse enterprise, mobile backhaul, and carrier aggregation applications from a single shelf measuring 730 mm x 496 mm x 295 mm with typical power consumption of 400W.

Huawei OptiX OSN 3500 repair services

DTC provides specialist repair and lifecycle support for Huawei OptiX OSN 3500 platforms, focused on restoring complex optical transport hardware to a fully serviceable state rather than offering best-effort fixes. Repairs are driven by detailed platform knowledge and structured fault isolation, covering cross-connect boards, STM-16 and STM-64 optical interface cards, Ethernet and packet processing modules, and system auxiliary boards.

Each repair is completed with defined test and verification processes aligned to OSN 3500 operating requirements, ensuring repaired units can be reintroduced into live metro transport networks with confidence. This emphasis on validation, repeatability, and long-term sustainment allows operators to extend the operational life of deployed OSN 3500 systems while controlling cost and risk.

DTC also provides hands-on technical support and break/fix services for the Huawei OSN 3500, helping resolve faults quickly and keep your network operational without reliance on OEM maintenance contracts.

Component-level repair depth Full component-level diagnostics and repair on Huawei OptiX OSN 3500 modules, addressing underlying faults rather than replacing assemblies.

Proven expertise on the Huawei OptiX OSN 3500 Established repair processes for high-density transmission systems, with engineers experienced in the architecture, failure modes, and tolerances of Huawei OptiX OSN 3500 components.

Legacy and end-of-life hardware Support for in-service Huawei OptiX OSN 3500 networks beyond the OEM support window, repairing discontinued cards and sourcing otherwise unavailable components.

Rapid turnaround Repairs delivered with predictable turnaround times and flexible logistics, helping minimise service impact while avoiding the cost and lead time of full replacement.

Associated Huawei OptiX OSN 3500 part numbers

Warranty and risk mitigation – why source outside the OEM?

Warranty, quality, and risk mitigation

DTC supplies fully warrantied platforms and parts across all network layers, supported by defined SLAs and quality-controlled repair services. All recovered equipment is inspected, tested, and audited at platform, part number, serial number, and software revision level. These processes are governed by ISO 9001-certified quality management systems, ensuring consistent performance, traceability, and reduced operational risk.

End-to-end audit trails are maintained from collection through resale, repair, or recycling, with transparent inventory visibility and regular reporting. This ensures customers retain full control, compliance, and confidence in the condition and provenance of every asset.

Why source outside the OEM?

Sourcing through DTC provides a cost-efficient alternative to OEM supply chains while maintaining enterprise-grade reliability. Independent sourcing enables faster access to spares through in-house, multi-vendor inventory and continued support for legacy and end-of-life platforms no longer available from manufacturers.

Vendor-agnostic sourcing also simplifies procurement across mixed-vendor networks, while reuse and refurbishment support sustainability goals by extending asset life and reducing the environmental impact associated with manufacturing new equipment.

Huawei OptiX OSN 3500 technical specifications

Contact us for Huawei OptiX OSN 3500 support