MT8977 Datasheet (Mitel Networks Corporation) - ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit

MT8977, ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit

The MT8977 is a variant of the MT8976 framer, which has been enhanced to meet ACCUNET® T1.5 wander tolerance (138 UI).

The MT8977 meets ESF and D3/D4 formats, and is compatible with SLC-96 systems.

Applications * * * DS1/ESF digital trunk interfaces Computer to PBX interface

MT8977 Features

* D3/D4 or ESF framing and SLC-96 compatible Two frame elastic buffer with jitter tolerance improved to 156 UI Insertion and detection of A, B, C, D bits, signall