XRT59L921 Datasheet - Exar Corporation

XRT59L921 - TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

The XRT59L921 is an optimized twenty-one channel, E1, line interface unit, fabricated using low power CMOS technology. The device contains twenty-one independent E1 channels. It is primarily targeted towards the SDH multiplexers that accommodate TU12 Tributary Unit Frames. Line cards in these units .

XRT59L921 Features

* Twenty-One (21) Independent E1 (CEPT) Line Interface Units Recovery) (Transmitter, Receiver, and

* Transmit Output Pulses that are Compliant with the ITU-T G.703 Pulse Template Requirement for 2.048Mbps (E1) Rates

* On-Chip Pulse Shaping for both 75Ω and 120Ω line driver

XRT59L921_ExarCorporation.pdf