PM4344 Datasheet (PMC) - Quad T1 Framer

PM4344, Quad T1 Framer

PMC-Sierra,Inc.

PM4344 TQUAD ANSI specifications.

Accumulators are provided for counting, ESF CRC-6 errors, Framing bit errors, Line Code Violations (LCVs), and Loss Of Frame (LOF) or change of frame alignment events.

Extracts the data link in ESF, T1DM (DDS), or SLC®96 modes.

Extracts selected channels.

Provides a 2-frame elastic store buffer for jitter and wander attenuation.

Allows insertion of selected channels through a serial port.

Supports transmis

PM4344 Features

* Monolithic single-chip device that integrates four full-featured T1 framers and transmitters for terminating duplex DS1 signals.

* Supports SF, ESF, T1DM (DDS), and SLC®96 format DS1 signals.

* Supports unframed mode. Supports B8ZS or AMI line codes.

* Supports tran