Product Overview

Features

IMA

  • Supports up to 8 T1, E1, ADSL or unchannelized links and up to 4 IMA groups with 1 to 8 links/group.
  • Link and Group State Machines implemented on-chip requiring no real time software in the data path.
  • Fully compliant with the ATM Forum Inverse Multiplexer for ATM (IMA) 1.1 specification and backward compatible to IMA 1.0.
  • Supports both independent transmit clock (ITC) and common transmit clock (CTC) modes.
  • Supports all IMA Group Symmetry modes: Symmetric/Asymmetric configuration and operation.
  • Differential delay tolerance of 279 ms (for T1 links) and 226 ms (for E1 links).
  • Performs IMA differential delay calculation and synchronization.
  • Provides programmable limit on allowable differential delay and minimum number of links per group.
  • Performs ICP and stuff-cell insertion and removal.
  • Supports IMA frame length (M) equal to 32, 64, 128, or 256.
  • Provides IMA layer statistic counts and alarms for support of IMA Performance and Failure Alarm Monitoring and MIB support.
  • Provides per link counters for statistics and performance monitoring.

    • Typical Applications include:

  • DSLAMs.
  • Wireless Basestations.
  • Integrated Access Devices (IADs).
  • Access Concentrators.

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    Product Brief
          Version Issue Date
      PDF Document PM7340 S/UNIr IMA-8 8 Link Inverse Multiplexer for ATM (IMA) / UNI PHY Short Form Data [61 kB] PMC-2001521 4 2003-02-04
    Reference Design
          Version Issue Date
    Locked PDF Document S/UNI-IMA-8 Development Kit Reference Design [5.51 MB] PMC-2002117 3 2001-10-26
    Data Sheet
          Version Issue Date
    Locked PDF Document S/UNI IMA 8 Telecom Standard Product Data Sheet [1.26 MB] PMC-2001723 7 2008-03-04
    Errata
          Version Issue Date
    Locked PDF Document S/UNI IMA 84 / 8 DEVICE DRIVER ERRATA [100 KB] PMC-2011921 5 2008-03-03
    Locked PDF Document S/UNI IMA Family Revision B Device Errata [262 KB] PMC-2020476 5 2008-03-10
    Software Documentation
          Version Issue Date
    Locked PDF Document S/UNI-IMA-84 and S/UNI-IMA-8 Driver Manual [811 kB] PMC-2010086 5 2002-10-28
    Software
          Version Issue Date
    Locked Compressed Document PM7341 S/UNI IMA-84 and PM7340 S/UNI IMA-8 Device Driver [266 kB] PMC-2011269 rel 1.1 2002-11-12
    Application Note
          Version Issue Date
    Locked PDF Document S/UNI-IMA Product Family IMA Version 1.0 and 1.1 Specification Compliance Application Note [376 kB] PMC-2012225 2 2002-11-19
    Locked PDF Document S/UNI IMA Family Programmer's Guide [393 KB] PMC-2010279 2 2003-12-30
    Locked PDF Document IMA over G.SHDSL Application Note [354 kB] PMC-2021072 1 2003-01-09
    White Papers
          Version Issue Date
      PDF Document ATCA Design Considerations for Telecommunication Platforms [815 KB] PMC-2081221 1 2008-08-14
    Models
          Version Issue Date
    Locked Compressed Document S/UNI-IMA8 [60 kB] PMC-E3273 1.03 2002-10-25
    Technical Overview
          Version Issue Date
    Locked PDF Document S/UNI IMA Family Product Overview [259 kB] PMC-2000167 2 2003-02-10
    BSDL Files
          Version Issue Date
      Text Document Boundary Scan Description Language (BSDL) Source Code for the PM7340 Rev. B Device [] PMC-2020575 1 2002-05-07