Cisco QSFP-100G-ER4L-S

Brand: Cisco | SKU: QSFP-100G-ER4L-S

The QSFP-100G-ER4L-S is a hot-pluggable 100 Gigabit Ethernet transceiver module designed for up to 40 km transmission over single-mode fiber (SMF) using LC duplex connectors. It supports 100GBASE-ER4 Lite standards and operates within a commercial temperature range, making it suitable for high-capacity data center and enterprise networking applications.

Refurbished Availability

Refurbished Cisco QSFP-100G-ER4L-S modules are available through Comtek, providing a cost-effective alternative to new hardware. Each unit undergoes comprehensive quality assurance and rigorous multi-point testing to ensure reliable performance and compliance with manufacturer specifications. Choosing refurbished equipment helps organizations optimize their budgets while maintaining operational excellence.

Expert Repair Service

Comtek offers specialized repair services for the QSFP-100G-ER4L-S and similar high-speed transceivers. Our expert engineers service products from leading vendors such as Cisco, Juniper, and Nokia, ensuring fast turnaround times. This expertise benefits network, telecom, and critical infrastructure operators by minimizing downtime and extending the lifecycle of essential equipment.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers truly global support. Our international presence enables us to provide rapid response and localized service, ensuring customers worldwide benefit from efficient solutions and exceptional satisfaction.

Committed to Sustainability

Comtek is dedicated to promoting the circular economy by extending the usable life of telecom, network, and infrastructure assets. Our refurbishment and repair solutions help reduce e-waste, lower carbon emissions, and deliver significant long-term value to customers seeking sustainable IT strategies.

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.