XRT79L73 Datasheet (Exar Corporation) - 3-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

XRT79L73, 3-CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

www.DataSheet4U.com PRELIMINARY LINE INTERFACE U NIT XRT79L73 REV.

P1.0.0 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC JUNE 2004 HARDWARE MANUAL The XRT79L73 is a three channel, ATM UNI/PPP Physical Layer Processor with integrated DS3/E3 framing controllers and Line Interface Units with Jitter Attenuators that are 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

XRT79L73 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