Juniper Networks QSFP-100G-ER4L

Brand: Juniper Networks | SKU: QSFP-100G-ER4L

The QSFP-100G-ER4L is a hot-pluggable, 100 Gigabit Ethernet QSFP28 optical transceiver module designed for long-range data transmission up to 30 km over single-mode fiber (SMF) using four CWDM channels and duplex LC connectors. It is compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-ER4 Lite, and supports digital diagnostic monitoring.

Refurbished Availability

Refurbished Juniper Networks QSFP-100G-ER4L modules are available from Comtek, offering a reliable and cost-effective alternative to new hardware. Every refurbished unit undergoes comprehensive quality assurance and rigorous testing to ensure it meets or exceeds original manufacturer specifications. By choosing refurbished equipment, customers benefit from significant cost savings without compromising on performance or reliability.

Expert Repair Service

Comtek provides expert repair services for QSFP-100G-ER4L modules and similar optical transceivers. Our experienced engineers offer fast turnaround times and support hardware from leading vendors such as Cisco, Juniper, and Nokia. This ensures that network, telecoms, and critical infrastructure operators can maintain uptime and extend the lifecycle of essential equipment, all while controlling costs and minimising disruption.

Global Presence

With repair centres and offices located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive, localised service with true global reach. Our international footprint allows us to provide rapid support and efficient logistics, ensuring customer satisfaction and minimal downtime across multiple regions.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the operational life of telecom, network, and critical infrastructure equipment. Our refurbishment and repair services help reduce electronic waste and minimise carbon emissions, delivering long-term value for customers while contributing to a more sustainable future.

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.