
Catalog excerpts

! Managed PRC with interface to SyncView™ ! One or more Cesium primary references ! Exceeds G.811, ETSI and Telcordia requirements ! UTC traceability from integrated GPS Receiver ! User definable priority table ! ± 5x10-12 accuracy ! Single site or distributed configurations ! 112 or more outputs ! Input qualification of references with MTIE & TDEV ! SSM handling OSA 6500B PRC Primary Reference Clock
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Synchronisation significantly impacts network performance. The global demand for telecommunications is increasing at an incredible pace resulting in networks becoming more and more sophisticated. The same is true for synchronisation elements as they are fundamental to any telecommunications network. The quality and precision of clocking equipment has a significant impact on a network’s performance. Digital networks require a reliable supply of accurate and stable synchronisation. The ITU-T Recommendation G.811 states that a PRC provides the reference signal for the synchronisation of other...
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The OSA 6500B achieves the objectives required for distributed and stand-alone PRCs especially when the system is controlled by the Oscilloquartz SyncView™ synchronisation management system. A typical 6500B rack comprises Cesium and GPS references, a synchronisation element, output distribution, alarms, management and power supplies. At the core of the OSA 6500B is an OSA 5548B Stand Alone Synchronisation Element (SASE) that handles many of the system’s primary functions. This reduces the cost of conventional PRC configurations and provides greater management capability. The OSA 6500B can...
Open the catalog to page 3
Continuous reference OSA 6500B Primary Reference Clock Decentralised PRCs Many telecom operators opt for a decentralised PRC arrangement especially in large countries, complex networks or where network security is of paramount importance. The network is synchronised by several PRCs, which are at different geographical sites, to protect against site failures. This ensures a higher degree of reliability as the nodes receive references from at least two sources which are routed over separate paths. In a PDH environment, references from one PRC are provided to the other using dedicated 2.048...
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