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ZL30407 - SONET/SDH Network Element PLL

General Description

The ZL30407 is a Network Element Phase-Locked Loop designed to synchronize SDH and SONET systems.

In addition, it generates multiple clocks for legacy PDH equipment and provides timing for STBUS and GCI backplanes.

VDD GND C20i FCS OE PRI PRIOR Primary Acquisition PLL Mas

Key Features

  • Meets requirements of GR-253 for SONET Stratum 3 and SONET Minimum Clocks (SMC) Meets requirements of GR-1244 for Stratum 3 Meets requirements of G.813 Option 1 and 2 for SDH Equipment Clocks (SEC) Generates clocks for ST-BUS, DS1, DS2, DS3, OC-3, E1, E3, STM-1 and 19.44 MHz Holdover accuracy of 4x10 -12 meets GR-1244 Stratum 3E and ITU-T G.812 requirements Continuously monitors both references for frequenc.

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Datasheet Details

Part number ZL30407
Manufacturer Zarlink Semiconductor Inc
File Size 843.44 KB
Description SONET/SDH Network Element PLL
Datasheet download datasheet ZL30407 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ZL30407 SONET/SDH Network Element PLL Data Sheet Features • • • • • • • • • Meets requirements of GR-253 for SONET Stratum 3 and SONET Minimum Clocks (SMC) Meets requirements of GR-1244 for Stratum 3 Meets requirements of G.813 Option 1 and 2 for SDH Equipment Clocks (SEC) Generates clocks for ST-BUS, DS1, DS2, DS3, OC-3, E1, E3, STM-1 and 19.44 MHz Holdover accuracy of 4x10 -12 meets GR-1244 Stratum 3E and ITU-T G.812 requirements Continuously monitors both references for frequency accuracy exceeding ±12 ppm Provides “hit-less” reference switching Compensates for Master Clock Oscillator accuracy Automatically detects frequency of both reference clocks and synchronizes to any combination of 8 kHz, 1.544 MHz, 2.048 MHz and 19.