Datasheet Summary
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PRELIMINARY
LINE INTERFACE UNIT
REV. P1.0.0
- CHANNEL DS3/E3 ATM UNI/PPP BO IC
MARCH 2004
REGISTER MANUAL
The XRT79L74 is a four 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 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...