PTP Grandmaster

MOBATIME PTP Grandmaster solution offers highly precise interfaces such as PRC, PTP IEEE1588 V2, NTP, etc. with an advantage of precision in accuracy and traceability. Grandmasters are equipped with crystal or atomic oscillators to provide time, pulse, phase & frequency solutions supporting synchronization using Global Navigation Satellite System for a mid or large infrastructure network.

In many IP networks NTP (Net Time Protocol) is used to supply clients and surrounding systems with a precise time. If a very high time accuracy is required due to e.g. legal regulations, the use of the PTP (Prescision Time Protocol) protocol is indispensable.

Mobatime Grandmasters are combined time and synchronization systems that stand for maximum precision and availability. They can be used as IEEE-1588 PTP grandmasters and thus meet the basic requirements for compliance with the strict MiFID II time accuracy specifications in the field of high-frequency trading, for example.

Thanks to extremely stable and high-precision oscillators (rubidium), the Grandmasters are also very accurate in freewheel mode, which is absolutely essential for bridging possible failures of the external signal source (GNSS).

High-precision time is a hot topic for the financial sector. The requirements of MiFID II (Markets in Financial Instruments Directive) must be implemented. The regulations will come into force in January 2018 and aim to increase transparency in the financial sector. All trading transactions must now be provided with a precise time stamp.

MiFID II currently requires an accuracy of 100µs versus UTC for high frequency trading, which cannot be achieved with an NTP-based synchronisation system. A change to synchronization via PTP is unavoidable.

The PTP grandmaster as synchronization source must have a very high accuracy from the time radio receiver to the PTP output. The DTS 4160.grandmaster type C or the DTS 4210.timecenter achieve a precision from the GPS receiver to the PTP output of +/- 0.25µs. This ensures that despite accumulation of further delays due to the transport of data packets in the network, the accuracy of the time stamps of 100µs is achieved.

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