Cisco ONS-SI-2G-I1

Brand: Cisco | SKU: ONS-SI-2G-I1

The ONS-SI-2G-I1 is a 2 Gbps Small Form-Factor Pluggable (SFP) optical transceiver module designed for use with ONS series platforms, supporting intermediate reach (I-1) optical interfaces for reliable data transmission in metro and access network applications.

Refurbished Availability

Refurbished Cisco ONS-SI-2G-I1 modules are available through Comtek, offering a cost-effective alternative to new equipment. Each refurbished unit undergoes rigorous testing and quality assurance checks to ensure optimal performance and reliability. By choosing refurbished equipment, customers benefit from significant savings without compromising on quality, making it an excellent option for maintaining and expanding network infrastructure.

Expert Repair Service

Comtek provides expert repair services for the Cisco ONS-SI-2G-I1 and a wide range of optical transceivers and networking modules. Our experienced engineers deliver fast turnaround times and support multi-vendor environments, including Cisco, Juniper, Nokia, and more. This comprehensive repair capability ensures that network, telecoms, and critical infrastructure operators can minimize downtime, control costs, and extend the lifespan of their essential equipment.

Global Presence

With repair centres and offices located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek is ideally positioned to provide responsive service and local support to clients worldwide. Our global coverage ensures rapid logistics, efficient communication, and high levels of customer satisfaction wherever your operations are based.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifecycle of telecom, network, and critical infrastructure equipment. Through repair, refurbishment, and reuse, we help customers reduce e-waste, achieve significant carbon savings, and extract maximum value from their technology investments—all while supporting 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.