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First Jitter Measurement Solution for Synchronous Ethernet

11 August 2010 – JDSU introduced a new jitter feature for the JDSU Optical Network Tester series (ONT-503, 506 and 512) that establishes the ONT as the first and only jitter analysis solution able to conduct both jitter and wander measurements on 10GE Synchronous Ethernet (SyncE) devices and systems. These capabilities help to ensure reliable signal and network performance of mobile backhaul networks for the delivery of high-quality bandwidth-intensive services such as video.

As telecommunications networks continue the transition from time division multiplexing (TDM) to packet technology, synchronization and its evolution in these converged networks is critical to high-quality, reliable network performance. The new JDSU ONT jitter solution helps address the essential tasks of characterizing both the jitter and wander performance of SyncE circuits so that critical timing and synchronization functions can be maintained without signal degradation or network performance problems.

Ethernet, while successful in delivering a cost efficient technology for high-bandwidth data and video services, is lacking in synchronization features critical for ensuring reliable video and mobile backhaul networks. SyncE has emerged as a simple link-by-link replacement for SONET/SDH that retains backward compatibility, leverages the existing synchronization architecture, and cost- effectively enables current and next-generation services such as IP-based video services. SyncE, which is currently on the market for 1GE and 10GE and will be supported in future 40GE and 100GE networks, promises to deliver necessary timing functions and accelerate the transition from TDM to packet networks.

JDSU is also actively working in International Telecommunication Union Telecommunication (ITU-T) study groups to standardize different aspects of SyncE jitter and wander testing. The JDSU ONT jitter module is compliant with the performance requirements for SyncE interfaces recently defined by ITU-T. The company provides test equipment required to support SyncE network needs for timing and synchronization. The JDSU solution can perform the three most common jitter measurements - jitter generation, jitter tolerance, and jitter transfer - with best-in-class, intrinsic jitter to get enough margin to the specified jitter tolerance limits required by ITU-T standards. These measurements help determine the amount of jitter acceptable at SyncE interfaces

The JDSU jitter module supports the research and development, system verification, and production of component vendors and network equipment manufacturers, as well as the equipment verification, installation and maintenance requirements of service providers.

www.jdsu.com


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