High Performance IEEE 1588-2008 Grandmaster Clock

High Performance IEEE 1588-2008 Grandmaster Clock from TelecomTest Solutions

By: TelecomTest Solutions  01-Feb-2012
Keywords: Ieee 1588v2 Test, Network Synchronisation, Ptp-1588v2,

The OSA 5331 is a compact IEEE1588v2 Grandmaster driven by GPS and/or GLONASS. Additionally the OSA 5331 can be driven also by electrical input signals for frequency (2.048 MHz, E1), phase (1PPS) and time-of-day (NMEA).

The main outputs are its ports for PTP delivery, which can serve several hundreds of PTP Slaves. There are also additional electrical outputs for frequency, phase and time-of-day. As with all other Oscilloquartz products, the OSA 5331 can be managed locally and remotely via TCP-IP.

The OSA 5320 is an IEEE1588 Slave with 5 outputs providing a mix of frequency, phase and time-of-day outputs driven by PTP packets received from a Grandmaster through the network. The OSA 5320’s PTP engine features sophisticated algorithms that will provide optimum performance in the presence of packet delay variations inherent to IP networks. When network conditions degrade beyond a certain level of performance, the OSA 5320 enters a holdover mode and maintains good synchronization performance at the outputs until normal network conditions have returned.

In a typical case, the OSA 5548C is equipped with one or two GPS-receiver cards which deliver frequency, phase and time-of-day to the internal bus that also drive the IEEE1588v2 cards. The OSA 5548C can accommodate up to 6 (in its compact version) and 20 IEEE1588 plug-in cards (in the larger version). The OSA 5548C output slots can be used to provide diverse output signal types such as 2.048 MHz, E1, and NTP. The modular structure allows customers to combine different output card types to best fit their needs.

 

Keywords: Ieee 1588v2 Test, Network Synchronisation, Ptp-1588v2,

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