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1 definition found
 for 802.3
From The Free On-line Dictionary of Computing (18 March 2015) :

  IEEE 802.3
      The IEEE standard defining the hardware layer
     and transport layer of (a varient of) Ethernet.  The
     maximum segment length is 500m and the maximum total length
     is 2.5km.  The maximum number of hosts is 1024.
     The maximum packet size is 1518 bytes.  If the upper layer
     protocol submits a PDU less than 64 bytes, 802.3 will pad
     the LLC Info field to achieve the minimum 64 bytes.
     Although it is not technically correct, the terms "{packet"
     ISO/{IEC">and frame are used interchangeably.  The ISO/{IEC 8802-3
     ANSI/{IEEE">ANSI/{IEEE 802.3 Standards refer to MAC sub-layer
     frames consisting of the Destination Address, Source
     Address, Length, LLC Info., and FCS fields.  The Preamble
     and SFD are (usually) considered a header to the MAC
     Frame.  This header plus the MAC Frame constitute a "Packet".

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