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XRT79L71 - 1-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

Description

The XRT79L71 is a single channel, ATM UNI/PPP Physical Layer Processor with integrated DS3/E3 framing controller and Line Interface Unit with Jitter Attenuator that is designed to support ATM direct mapping and cell delineation as well as PPP mapping and Frame processing.

Features

  • On chip Clock and Data Recovery circuit for high input jitter tolerance.
  • Meets E3/DS3 Jitter Tolerance Requirements.
  • Detects and Clears LOS as per G.775.
  • Receiver Monitor mode handles up to 20 dB flat loss with 6 dB cable attenuation.
  • Compliant with jitter transfer template outlined in ITU G.751, G.752, G.755 and GR-499-CORE,1995 standards.
  • Meets ETSI TBR 24 and GR-499 Jitter Transfer Requirements.
  • On chip B3ZS/HDB3 encoder a.

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Full PDF Text Transcription

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www.DataSheet4U.com áç JUNE 2003 PRELIMINARY • JTAG Interface LINE INTERFACE UNIT XRT79L71 REV. P1.0.3 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC GENERAL DESCRIPTION The XRT79L71 is a single channel, ATM UNI/PPP Physical Layer Processor with integrated DS3/E3 framing controller and Line Interface Unit with Jitter Attenuator that is designed to support ATM direct mapping and cell delineation as well as PPP mapping and Frame processing. For ATM UNI applications, this device provides the ATM Physical Layer (Physical Medium Dependent and Transmission Convergence sub-layers) interface for the public and private networks at DS3/E3 rates. For Clear-Channel Framer applications, this device supports the transmission and reception of “user data” via the DS3/E3 payload.
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