Juniper Networks QDD-4C-ZR-T-B

Brand: Juniper Networks | SKU: QDD-4C-ZR-T-B

The QDD-4C-ZR-T-B is a 400G QSFP-DD optical transceiver module designed for ZR applications, supporting up to 4 channels over duplex single-mode fiber with a transmission distance of up to 80 km, and featuring a built-in digital diagnostics interface for real-time monitoring.

Refurbished Availability

Refurbished versions of the Juniper Networks QDD-4C-ZR-T-B are available through Comtek, offering a cost-effective alternative to purchasing new equipment. Each refurbished unit undergoes rigorous testing and comprehensive quality assurance processes to ensure optimal performance and reliability. By choosing refurbished equipment, customers benefit from significant cost savings while maintaining the high standards required for mission-critical network applications.

Expert Repair Service

Comtek provides expert repair services for the QDD-4C-ZR-T-B and similar optical transceivers from leading vendors such as Cisco, Juniper, and Nokia. Our experienced engineers deliver fast turnaround times, helping network operators, telecom providers, and critical infrastructure organisations minimise downtime and maintain network resilience. Our multi-vendor support ensures you have a single source for all your repair needs, regardless of the equipment manufacturer.

Global Presence

With repair centres and offices located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers truly global coverage. This extensive network allows us to provide responsive local service and rapid support to customers worldwide, enhancing satisfaction and ensuring your infrastructure remains operational wherever you are based.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the operational life of telecom, network, and infrastructure equipment such as the QDD-4C-ZR-T-B. Our services help reduce electronic waste and cut carbon emissions, delivering long-term value to customers while promoting environmental responsibility. By choosing repair and refurbishment, you contribute to a more sustainable future for the industry.

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.