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SYNCHRONOUS EQUIPMENT HIGH FREQUENCY HITLESS SYNCHRONIZER - SY02-HLPL
SY02-HLPL
PRELIMINARY SPECIFICATION
Date: July 1, 2002
• INTRODUCTION The SY02-HLPL is a dual input reference hitless switching device with high frequency crystal-based PLL synchronizer designed as a subsystem module. Mainly used at high speed Line Interface Cards in telecommunication products mainly related to STN-n or OC-n. The SY02-HLPL is a synchronization solution for timing and jitter topics specified within ITU-T Recommendations G.813, ETSI -ETS 300 4624, and Bellcore GR-1244-CORE.
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FEATURES
Low jitter output from intrinsically low jitter VCXO or VCSO; Two input references from 8KHz to 77.