TXC-04252 - QE1M Device Quad E1 Mapper

Datasheet Summary

Description

The Quad E1 Mapper device is designed for add/drop multiplexer, terminal multiplexer, and dual and single unidirectional ring applications.

Four E1 2.048 Mbit/s signals are mapped to and from asynchronous Tributary Unit-12 (TU-12) or Virtual Tributary 2 (VT2) formats.

Features

Add/drop four 2.048 Mbit/s signals from STM-1/VC-4, STS-3/AU-3 or STS-1 buses.
Independent add and drop bus timing modes.
Selectable HDB3 positive/negative rail or NRZ E1 interface. Performance counter provided for coding violations.
Digital desynchronizer.
Drop buses are monitored for parity, loss of clock, upstream AIS and H4 multiframe errors.
Performance counters are provided for TU/VT pointer movements, BIP-2 errors and Far End Block E.

Transwitch

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Datasheet Details

Part number	TXC-04252
Manufacturer	Transwitch
File Size	1.14 MB
Description	QE1M Device Quad E1 Mapper
Datasheet	TXC-04252 Datasheet
Additional preview pages of the TXC-04252 datasheet.

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Full PDF Text Transcription

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QE1M Device Quad E1 Mapper TXC-04252 DATA SHEET FEATURES • Add/drop four 2.048 Mbit/s signals from STM-1/VC-4, STS-3/AU-3 or STS-1 buses • Independent add and drop bus timing modes • Selectable HDB3 positive/negative rail or NRZ E1 interface. Performance counter provided for coding violations.

Published: Dec 1, 2005 |