DS26556 - 4-Port Cell/Packet Over T1/E1/J1 Transceiver
The DS26556 is a quad, software-selectable T1, E1, or J1 transceiver with a cell/packet/TDM interface.
It is composed of four framer/formatters + LIUs, and a UTOPIA (cell), POS-PHY™ (packet), and TDM backplane interface.
Each framer has an HDLC controller that can be mapped to any DS0 or FDL (T1)/Sa
DS26556 Features
* Four Independent, Full-Featured T1/E1/J1 Transceivers UTOPIA 2 and 3 Cell Interface POS-PHY 2 and 3 Packet Interface TDM Backplane Supports TDM Bus Rates from 1.544MHz to 16.384MHz Alarm Detection and Insertion Full-Featured BERT for Each Port A
