Juniper Networks JL4B-SLB-1

Brand: Juniper Networks | SKU: JL4B-SLB-1

The JL4B-SLB-1 is a high-performance SFP+ transceiver module designed for 10 Gigabit Ethernet applications, supporting data rates up to 10Gbps over single-mode fiber with a maximum reach of 10 kilometers. It features a standard LC duplex connector and is fully compliant with IEEE 802.3ae and SFF-8431 specifications.

Refurbished Availability

Refurbished JL4B-SLB-1 modules are available through Comtek, offering exceptional value without compromising on performance or reliability. Each refurbished unit undergoes rigorous quality assurance and comprehensive testing to ensure it meets or exceeds original manufacturer standards. By choosing refurbished equipment, customers benefit from significant cost savings while maintaining the high standards their networks demand.

Expert Repair Service

Comtek provides specialist repair services for the JL4B-SLB-1 and similar transceiver modules. Our experienced engineers deliver fast turnaround times and support a wide range of vendors such as Cisco, Juniper, and Nokia. This expertise ensures prompt restoration of critical equipment, reducing downtime for network operators, telecom providers, and mission-critical infrastructure users.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive service and support to customers worldwide. Our global footprint enables us to offer rapid collection, repair, and return services, enhancing customer satisfaction and minimising network disruption wherever you are based.

Committed to Sustainability

Comtek is dedicated to advancing the circular economy by extending the life of telecom, network, and infrastructure equipment. Our refurbishment and repair services help reduce e-waste, lower carbon emissions, and deliver long-term value for our customers. By keeping technology in use for longer, we support both environmental sustainability and operational excellence.

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.