Datasheet Summary
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JANUARY 2001
PRELIMINARY
REV. P1.1.3
TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
GENERAL DESCRIPTION
The XRT72L52, 2 Channel DS3/E3 Framer IC is designed to accept “User Data” from the Terminal Equipment and insert this data into the “payload” bitfields within an “outbound” DS3/E3 Data Stream. Further, the Framer IC is also designed to receive an “inbound” DS3/E3 Data Stream (from the Remote Terminal Equipment) and extract out the “User Data”. The XRT72L52 DS3/E3 Framer device is designed to support full-duplex data flow between Terminal Equipment and an LIU (Line Interface Unit) IC. The Framer Device will transmit, receive and process data in the...