XRT72L58 Datasheet | Exar

.. áç JANUARY 2001 PRELIMINARY REV. P1.1.2 EIGHT CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER GENERAL DESCRIPTION The XRT72L58 Octal DS3/E3 Framer is designed to accept “User Data” from the Terminal Equipment and insert this data into the “payload” bit-fields within an “outbound” DS3/E3 Data Stream. Further, the Framer is also designed to receive an “inbound” DS3/E3 Data Stream (from the Remote Terminal Equipment) and extract out the “User Data”. The XRT72L58 DS3/E3 Framer is designed to support full-duplex data flow between Terminal Equipment and an LIU (Line Interface Unit) IC. The Framer will transmit, receive and process data in the DS3-Cbit Parity,...