XRT81L27 Datasheet SEVEN CHANNEL E1 LINE INTERFACE UNIT

Manufacturer: Exar (now MaxLinear)

Datasheet Details

Part number	XRT81L27
Manufacturer	Exar (now MaxLinear)
File Size	182.94 KB
Description	SEVEN CHANNEL E1 LINE INTERFACE UNIT
Download	XRT81L27 Download (PDF)

The XRT81L27 is an optimized seven-channel, analog, 3.3V, line interface unit, fabricated using low power CMOS technology.

The device contains seven independent E1 channels, including data and clock recovery circuits.

It is primarily targeted towards the SDH multiplexers that accommodate TU12 Tributary Unit Frames.

áç XRT81L27 NOVEMBER 2001 SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY REV.

1.1.

Seven (7) Independent E1 (CEPT) Line Interface Units (Transmitter, Receiver, and Recovery).
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.
Receiver Can Either Be Transformer or CapacitiveCoupled to the Line.
Detects and Clears LOS (Loss of Signal) Per ITU-T G.775 and ETS 300 233 (programmable from Host).
Compliant wi.

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