OSA 3250 Series
The future of network timing is optical
For decades, magnetic cesium atomic clocks have provided autonomous holdover and protection against GNSS jamming and outages, helping underpin everything from telecommunications and defense systems to power grids and financial networks. But after years of service, maintaining this legacy technology is increasingly challenging. Our OSA 3250 optical cesium atomic clock provides a modern alternative, harnessing a technique called optical pumping to deliver the accuracy and reliability networks depend on, backed by advanced technology and long-term stability.
Secure, standards-based timing
Our OSA 3250 ePRC delivers precise, standards-compliant timing with enhanced holdover capabilities, leveraging advanced technology that overcomes the limitations of legacy magnetic cesium clocks.
Whether deploying 5G networks, securing power grid synchronization or safeguarding national infrastructure, our OSA 3250 ePRC delivers scalable, secure and future-proof timing.
Scalable cesium for CNI
Our OSA 3250 ePRC offers precision timing in a compact, modular design with essential interfaces, making optical cesium technology a practical option for scalable deployment across key sectors.
Seamless upgrade to optical cesium
Our OSA 3250 ePRC offers extended service life and higher stability through a patented, simplified physics package based on optical pumping. Fully compliant with ITU-T G.811 PRC and G.811.1 ePRC standards, it supports essential synchronization outputs like BITS, PPS and analog frequency, making it suitable for a wide range of deployment scenarios. This compact, modular unit provides a cost-effective entry point to optical cesium technology for operators in telecom, defense, utilities and data centers replacing aging magnetic cesium atomic clocks.
Long-term performance
Our OSA 3250 ePRC is engineered for lasting precision with a service-friendly architecture that simplifies operations and minimizes downtime.
Future-ready timing for mission-critical networks
Our OSA 3250 ePRC is built for long-term performance and field-proven holdover stability, even during extended GNSS disruptions. It features fully redundant, hot-swappable power supplies, remote and secure management via SNMPv3, and seamless integration with Adtran’s Mosaic Controller software suite. Designed to fit into existing racks, it supports standard interfaces that distribute precise timing across complex networks. Whether deploying a new 5G network, securing power grid synchronization or safeguarding national infrastructure, our OSA 3250 ePRC delivers scalable, secure and future-proof timing.
