Product Overview



  • IMA 1.1 protocol including group and link state machines implemented by on-chip hardware. All ICP cell processing is performed internally by the S/UNI IMA device with no requirement for microprocessor intervention; however, ICP cells are made available for diagnostic purposes.
  • Supports up to 4 simultaneous IMA groups.
  • Each IMA group can support any number of supported links.
  • Each link can be programmed for either IMA processing or cell delineation.
  • Supports all IMA Group Symmetry modes:
  • Symmetrical configuration with symmetrical operation.
  • Symmetrical configuration with asymmetrical operation.
  • Asymmetrical configuration with asymmetrical operation.
  • Typical Applications include:

  • Integrated Access Device (IAD).
  • Digital Subscriber Loop Access Multiplexers (DSLAMs).
  • Wireless Base Transceiver Stations.
  • Customer Premise Equipment (CPE).
  • Are you seeing all your results?

    If you are a PMC-Sierra Customer or Partner you may have permission
    to see additional results on the myPMC product page.
    Please log in to the myPMC product page to check.

    Product Brief
          Version Issue Date
      PDF Document PM7348 S/UNI IMA-4 4 Link Inverse Multiplexer for ATM (IMA)/UNI PHY Short Form Data Sheet [58 kB] PMC-2030060 1 2003-02-04
    Data Sheet
          Version Issue Date
    Locked PDF Document S/UNI IMA 4 Telecom Standard Product Data Sheet [1.22 MB] PMC-2020889 3 2008-03-04
          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
    Locked PDF Document Using the S/UNI IMA-84/8 Software Driver with the S/UNI IMA-32/16/4 devices [85 kB] PMC-2020773 1 2002-04-23
          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 Knowledge Base Items for the PM7348 S/UNI IMA 4 [414 kB] PMC-2021461 2004-01-22
    Locked PDF Document IMA over G.SHDSL Application Note [354 kB] PMC-2021072 1 2003-01-09
    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