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coreSync™ redundant PTP grandmasters

Redundant PTP grandmasters for resilient synchronization

Modern networks demand synchronization solutions that deliver unparalleled reliability, capacity, and adaptability. Our coreSync™ redundant PTP grandmasters are designed to meet these needs with precision and resilience. Featuring full hardware redundancy and a modular, scalable architecture, this series of grandmaster clocks guarantees no downtime, even in the event of a critical module failure. Engineered for technologies like 5G and IoT, they ensure precise frequency, phase and time synchronization while maintaining the flexibility to integrate seamlessly with legacy systems. With support for IEEE 1588 Precision Time Protocol (PTP), Network Time Protocol (NTP), and Synchronous Ethernet (SyncE), Oscilloquartz coreSync™ devices empower operators to meet the most stringent timing requirements with confidence.


Scalable grandmaster clocks for high-capacity infrastructure

Built to scale with today’s expanding networks, our coreSync™ redundant PTP grandmasters deliver ultra-high availability and unrivaled capacity. They provide high-precision synchronization over multigigabit interfaces with hardware timestamping and the most extensive fan-out options available in the market. With modular designs and scalable configurations, the range is capable of serving thousands of PTP slaves while optimizing energy efficiency and space utilization. Advanced assurance technologies ensure synchronization issues are detected and resolved before they impact services, making these devices ideal for next-generation technologies such as 5G and beyond.



Precision and reliability in metro and core networks

Our coreSync™ redundant PTP grandmasters excel in delivering accuracy and reliability for metro and core networks. Designed to support diverse synchronization architectures, they feature dual multi-GNSS receivers and enhanced primary reference time clock (ePRTC) capabilities for unmatched accuracy and resilience. Full hardware redundancy eliminates service interruptions, while flexible fan-out configurations enable seamless integration with both packet-based and legacy networks. Whether upgrading existing systems or deploying next-generation networks, our coreSync™ redundant PTP grandmaster range provides the scalable and reliable solutions operators need to succeed.

Product families

OSA 5430 Series

Our OSA 5430 is designed to help network operators achieve stringent phase and time synchronization requirements and is the first IEEE 1588 grandmaster clock device ...
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OSA 5440

Today’s operators are faced with the challenges of meeting ever stricter timing demands and synchronizing a rapidly growing number of 5G and IoT devices. They urgently need new solutions that provide frequency and phase synchronization ...
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