Huawei 03051118 OptiX OSN Telecom System Card / Module

Huawei 03051118 OptiX OSN Telecom System Card / Module Image 1

Huawei 03051118 TNUa optical transmission board for OptiX OSN systems.

The Huawei 03051118 is a TNUa (Tributary Unit Assembly) board designed for deployment within Huawei’s OptiX optical transmission platforms. This board provides tributary interface functionality, enabling the aggregation and processing of lower-rate tributary signals within SDH/MSTP transport networks.

The TNUa board is typically deployed in Huawei OptiX OSN series equipment, such as the OSN 1500, OSN 2500, or OSN 3500 platforms. It serves as a key component in telecommunications backbone and metro networks, facilitating the multiplexing of E1, STM-1, or other tributary signals onto higher-capacity transport channels.

This is a legacy product associated with Huawei’s established SDH/MSTP optical networking portfolio. While these platforms remain operational in many carrier and enterprise networks globally, they represent mature technology that has been largely superseded by newer OTN and packet-optical solutions. The TNUa board remains relevant for network maintenance, capacity upgrades, and spares provisioning.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Huawei 03051118 refurbished or new?
Tech-Star supplies both new and refurbished Huawei 03051118. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Huawei 03051118?
Refurbished Huawei 03051118 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Huawei 03051118?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Huawei 03051118 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Huawei 03051118 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesTributary signal aggregation; SDH/MSTP network support; Hot-swappable board design
ApplicationsCarrier backbone networks; Metro transport networks; Enterprise WAN infrastructure
CompatibilityHuawei OptiX OSN 1500; Huawei OptiX OSN 2500; Huawei OptiX OSN 3500
SpecificationsTNUa board type; SDH tributary processing; Subrack-mounted installation
PlatformOptiX OSN
ManufacturerHuawei

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