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ZL30146 - SyncE SONET/SDH Line Card PLL

General Description

17 2.1 DPLL

Key Features

  • Synchronizes to standard telecom or Ethernet backplane clocks and provides jitter filtered output clocks for SONET/SDH, PDH and Ethernet network interface cards.
  • Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks.
  • Meets the SONET/SDH jitter generation requirements up to OC-192/STM-64.
  • Two independent DPLLs provides timing for the transmit path (backplane to line rate) and the receive path (recovered line rate to backplan.

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Full PDF Text Transcription for ZL30146 (Reference)

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ZL30146 SyncE SONET/SDH Line Card PLL Features • Synchronizes to standard telecom or Ethernet backplane clocks and provides jitter filtered output clocks for SONET/SDH, P...

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ane clocks and provides jitter filtered output clocks for SONET/SDH, PDH and Ethernet network interface cards • Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks • Meets the SONET/SDH jitter generation requirements up to OC-192/STM-64 • Two independent DPLLs provides timing for the transmit path (backplane to line rate) and the receive path (recovered line rate to backplane) • Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz) • Selectable loop bandwidth of 14 Hz, 28 Hz, 890 Hz, 3.5