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XRT59L921 Datasheet Twenty-one Channel E1 Line Interface Unit

Manufacturer: Exar (now MaxLinear)

Overview: .. MARCH 2007 XRT59L921 TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT REV. 1.2.

General Description

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 acmodate TU12 Tributary Unit Frames.

Key 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 drivers.
  • Detects and Clears LOS (Loss of Signal) Per ITU-T G.775.
  • Operates over the Industrial Temperature Range.
  • Ultra Low power consumption.
  • 3.3V operation with 5V To.

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XRT59L921 Distributor