IEEE 802.3an

IEEE 802.3an is at the same time a standard and an work group of the sub-committee Ethernet IEEE 802.3 in charge of the development and specification of the standard 10GBASE-T with which it merges.

This standard was initialized in 2002 following technical meetings whose objective was to evaluate the interest and the feasibility of this one from the technological and economic point of view.

Criteria

IEEE 802.3an defined a whole of criteria whose principal ones can gather according to four axes.

  • Compatibility with:

  1. the protocols CSMA/CD, MAC, MIB and PLS;

  2. the standards 100BASE-TX and 1000BASE-T.

  • Conformity with:
the standards IEEE 802.1 and IEEE 802.2;
  • mode of connection in full-duplex based on the standard IEEE 802.3ae MAC.

    • Safeguarding of:
    the format of original Ethernet screen.

    • New definition of:
    the using Layer PHY around a connection with twisted pairs of the copper drivers.

    Connection

    IEEE 802.3an is in close connection with work groups JTC1/SC 25/WG3 of the standardization ISO/IEC 11801:2002 which defines classes relating to the cabling systems of telecommunication and TIA TR-42 of the standard ANSI/EIA/TIA-568 which specifies types of connections with cable with twisted pairs.

    External bonds

    Work groups:

    • IEEE 802.3an
    • JTC 1/SC25
    • TIA TR-42

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