Juniper Networks JNP-QSFP-40GE-ER4

Brand: Juniper Networks | SKU: JNP-QSFP-40GE-ER4

The JNP-QSFP-40GE-ER4 is a QSFP+ 40GbE ER4 optical transceiver module supporting up to 40 Gbps data rates over single-mode fiber with a maximum reach of 40 km, designed for high-performance data center and enterprise networking applications.

Refurbished Availability

Refurbished Juniper Networks JNP-QSFP-40GE-ER4 modules are available through Comtek, offering a cost-effective solution without compromising on quality. Each refurbished unit undergoes stringent testing and quality assurance processes to ensure optimal performance and reliability. By choosing refurbished equipment, customers can enjoy substantial savings while maintaining high standards for their critical network infrastructure.

Expert Repair Service

Comtek provides expert repair services for optical transceivers like the JNP-QSFP-40GE-ER4, as well as products from leading vendors such as Cisco, Juniper, and Nokia. Our skilled engineers deliver fast turnaround times and robust support, helping network operators, telecom providers, and critical infrastructure users minimise downtime and maximise operational efficiency.

Global Presence

With repair centres and offices in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers truly global coverage to its customers. This extensive presence ensures responsive service, local support, and rapid logistics—helping businesses worldwide keep their networks running smoothly and efficiently.

Committed to Sustainability

Comtek is dedicated to advancing the circular economy by extending the lifecycle of telecom, network, and infrastructure equipment. Our refurbishment and repair services help customers reduce e-waste, lower their carbon footprint, and achieve greater long-term value from their technology investments.

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.