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

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

The QDD-4C-ZR-P-B is a 400G QSFP-DD optical transceiver module designed for ZR applications, supporting up to 120km transmission over single-mode fiber with PAM4 modulation. It features four optical channels and is compliant with relevant industry standards for high-capacity data center and metro network deployments.

Refurbished Availability

Refurbished versions of the Juniper Networks QDD-4C-ZR-P-B are available through Comtek, offering exceptional value without compromising quality. Each refurbished module undergoes comprehensive inspection, cleaning, and rigorous testing to ensure it meets or exceeds original manufacturer specifications. By choosing refurbished equipment, customers benefit from significant cost savings while receiving reliable, high-performance solutions that extend network lifecycles.

Expert Repair Service

Comtek provides expert repair services for optical transceivers such as the QDD-4C-ZR-P-B, supported by decades of experience with major vendors including Cisco, Juniper, and Nokia. Our skilled engineers deliver fast turnaround times and precise diagnostics, helping network, telecoms, and critical infrastructure operators minimise downtime and maximise asset value.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers global reach with local expertise. This expansive presence enables us to provide responsive service, rapid logistics, and dedicated support to customers worldwide, ensuring consistent satisfaction and operational continuity.

Committed to Sustainability

Comtek actively supports the circular economy by extending the operational life of telecom, network, and infrastructure equipment like the Juniper Networks QDD-4C-ZR-P-B. Our refurbishment and repair services help reduce electronic waste, lower carbon emissions, and deliver long-term value, empowering customers to make sustainable choices without compromising performance.

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.