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OSA 5331 PTP Grandmaster

OSA 5331 PTP Grandmaster
2Pages

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Product Overview The OSA 5331 PTP Grandmaster is a high-performance IEEE 1588-2008 (Version 2) standard compliant Grandmaster Clock for synchronization distribution over packetbased network infrastructure including IP, IP/MPLS, Carrier Ethernet, PON and DSL networks. Its carrier-class design provides high client capacity and a wide range of redundancy options to deliver scalable performance and maximum synchronization network availability. The OSA 5331 PTP Grandmaster is designed to deliver precise and reliable frequency, phase and time-of-day information in markets including telecommunications, media broadcast and power utility communications. Reliable Clock Performance Reliable delivery of precise timing information has become increasingly critical in many applications building on distributed intelligence and processing. In order to meet this increasing industry trend, the OSA 5331 PTP Grandmaster supports a variety of timing input options. Its built-in GNSS receiver can operate with the two satellite systems GPS and GLONASS, feeding four powerful PTP engines for delivery of precise frequency, phase and time-of-day synchronization. Alternative auxiliary input interfaces including 10MHz, 2.048MHz or E1 as well as 1PPS and ToD guarantee maximum synchronization service protection and enable operation in locations without access to GNSS. Clock source autoselection between GNSS and auxiliary input interfaces is supported based on quality level and priority settings. Superior Holdover Capability Flexibility and Ease-of-Use User configurable PTP Profiles are crucial for the interoperability with a wide selection of PTP slaves in a multi-vendor environment. Support for multiple standard PTP Profiles as defined by the ITU-T and the capability to exibility configure key parameters make the OSA 5331 PTP Grandmaster the most versatile device for PTP Grandmaster applications. For simplified operations, the entire system including all configuration options can be managed locally or remotely by SyncView™ Plus, a carrier-class synchronization network management platform. A large alphanumeric LCD display on the front panel, status indicators and five segment buttons for easy status retrieval simplify operations for increased ease-of-use. Features & Benets • Dual IEEE 1588-2008 (Version 2) ports • Four powerful PTP engines • Electrical or optical ports The OSA 5331 PTP Grandmaster is equipped with an internal Quartz Crystal or Rubidium oscillator serving as a highly stable time base. The optional use of a precise oscillator provides improved timing stability during holdover periods when the input source is interrupted or not traceable for any reason. In addition, it assures that there is no impact on PTP client performance when failover occurs. Highly stable holdover in combination with redundant PTP Grandmaster output interfaces increases network timing precision by preventing PTP clients from re-acquiring synchronization from a different source in the network. • GPS / GLONASS input source • Frequency, phase and/or time-of-day auxiliary • ±100ns timing accuracy when locked to GNSS • Highly stable internal Quartz Crystal or Rubidium oscillator • Compact 19’’ or ETSI rack mountable chassis

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Technical Information GNSS Receiver Management and User Interface • GPS L1: 1575.42 MHz L1 C/A code (coarse acquisition) • GLONASS L1: 1602.0 MHz for Fk=0 Antenna Cables • LMR-400: 20m, 60m and 120m with L/A • Other lengths: upon request Holdover Performance OCXO Double Oven Oscillator • 1 x 10-10/day (ITU-T G.812 type I) • 10μs/day Rubidium Oscillator • < 1 x 10-10/month (ITU-T G.812 type II) • 10μs/4–5 days Locked to GNSS • < 1x10 (ITU-T G.811) • < 50ns phase accuracy on 1PPS output -11 Synchronization Output • Frequency: • Phase: • Time-of-Day: • HTTP web interface for configuration and...

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OSA 5331 PTP Grandmaster 2Pages

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OSA 5331 PTP Grandmaster
2Pages