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DS26101 - 8-Port TDM-to-ATM PHY

Description

On the transmit side, the DS26101 receives ATM cells from an ATM device through a UTOPIA II interface, provides cell buffering (up to 4 cells), HEC generation and insertion, cell scrambling, and converts the data to a serial stream appropriate for interfacing to a T1/E1 framer or transceiver.

Features

  • Supports 8 T1/E1 TDM Ports Supports Fractional T1/E1 Compliant to ATM Forum Specifications for ATM Over T1 and E1 Standard UTOPIA II Interface to the ATM Layer Configurable UTOPIA Address Range Configurable Tx FIFO Depth to 2, 3, or 4 Cells Optional Payload Scrambling in Transmit Direction and Descrambling in Receive Direction per ITU I.432 Optional HEC Insertion in Transmit Direction with.

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Full PDF Text Transcription

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www.DataSheet4U.com DS26101 8-Port TDM-to-ATM PHY www.maxim-ic.com GENERAL DESCRIPTION On the transmit side, the DS26101 receives ATM cells from an ATM device through a UTOPIA II interface, provides cell buffering (up to 4 cells), HEC generation and insertion, cell scrambling, and converts the data to a serial stream appropriate for interfacing to a T1/E1 framer or transceiver. On the receive side, the DS26101 receives a TDM stream from a T1/E1 framer or transceiver; searches for the cell alignment; verifies the HEC; provides cell filtering, descrambling, and cell buffering; and passes the cells to an ATM device through the UTOPIA II interface. Other low-level traffic management functions are selectable for the transmit and receive paths.
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