NORTEL NT4R03AB

NORTEL NT4R44AA

Brand: | SKU: NT4R44AA

The NT4R44AA is an Avaya 48-port 10/100/1000 Ethernet Expansion Module designed for the Ethernet Routing Switch 5520 Series, providing high-density Gigabit connectivity and seamless integration for scalable enterprise network deployments.

Refurbished Availability

Refurbished NT4R44AA units are available through Comtek, offering an economical alternative to purchasing new hardware. Each refurbished module undergoes comprehensive quality assurance, including rigorous multi-stage testing and inspection, to meet or exceed original performance standards. By choosing refurbished equipment, you benefit from significant cost savings without compromising reliability or functionality, ensuring optimal value for your network infrastructure investments.

Expert Repair Service

Comtek provides expert repair services for NT4R44AA modules and a wide range of networking equipment from leading vendors such as Cisco, Juniper, and Nokia. Our highly skilled engineers deliver fast turnaround times, minimising network downtime and maximising operational efficiency. We support enterprise, telecoms, and critical infrastructure organisations, ensuring that your essential equipment remains in peak working condition and delivering consistent, reliable performance.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers a truly global service network. Our international footprint enables us to provide responsive support, local expertise, and quick logistics solutions, ensuring customer satisfaction and efficient service delivery wherever your operations are based.

Committed to Sustainability

Comtek is dedicated to promoting a circular economy by extending the life of telecom, network, and infrastructure equipment. Through expert refurbishment and repair, we help reduce electronic waste and lower carbon emissions, supporting your organisation’s sustainability goals. Choosing Comtek means investing in environmentally responsible IT solutions that deliver long-term value while minimising environmental impact.

For more information or to request a quote, please visit our contact form. All refurbished and repaired equipment comes with warranty coverage for peace of mind.