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com ZL30410 Multi-service Line Card PLL Data Sheet Features • • • • • Generates clocks for OC-3, STM-1, DS3, E3, DS2, DS1, E1, 19.
44 MHz and ST-BUS Meets jitter generation requirements for STM-1, OC-3, DS3, E3, J2 (DS2), E1 and DS1 interfaces Compatible with GR-253-CORE SONET stratum 3 and G.
813 SEC timing compliant clocks Provides “hit-less” reference switching Detects frequency of both reference clocks and synchronizes to any combination of 8 kHz, 1.
544 MHz, 2.
048 MHz and 19.
44 MHz reference frequencies Continuously monitors both references for frequency accuracy exceeding ±12 ppm Holdover accuracy of 70x10 -12 meets GR-1244 Stratum 3E and ITU-T G.
812 requirements Meets re...

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