Cisco ESR-4OC3ATM-SM

Brand: | SKU: ESR-4OC3ATM-SM

The ESR-4OC3ATM-SM is a four-port OC-3/STM-1 ATM single-mode optical interface module designed for Cisco 10000 Series Edge Services Routers, providing high-speed, carrier-class ATM connectivity over single-mode fiber. It supports advanced traffic management and quality of service features for scalable broadband aggregation.

Refurbished Availability

Refurbished versions of the Cisco ESR-4OC3ATM-SM are available, offering significant cost savings without compromising on performance or reliability. Each module undergoes comprehensive quality assurance and rigorous testing by experienced engineers to ensure it meets or exceeds original manufacturer specifications. Choosing refurbished equipment is an economical and sustainable solution, enabling businesses to maximize their network investment while maintaining the highest standards of operational excellence.

Expert Repair Service

Comtek provides expert repair services for the Cisco ESR-4OC3ATM-SM and similar high-performance networking products. Our skilled technicians deliver fast turnaround times and support a wide range of vendors, including Cisco, Juniper, and Nokia. This expertise benefits network, telecoms, and critical infrastructure operators by reducing downtime, extending equipment life, and ensuring continued reliability in mission-critical environments.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers truly global support for network and telecom operators. Our worldwide presence enables us to provide responsive service, local expertise, and rapid logistics, ensuring that our customers receive exceptional support and satisfaction wherever they operate.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifespan of telecom, network, and critical infrastructure equipment through refurbishment and repair. Our services help reduce e-waste and achieve substantial carbon savings, delivering long-term value for our customers while promoting environmentally responsible business practices.

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.