Product Description XI/ON - Eaton Automation

XI/ON: Gateways for Modbus TCP 3 Ethernet
3 Ethernet
3.1 System Description
Originally developed by DEC, Intel and Xerox (as DIX standard) for
data transmission between office equipment, Ethernet stands for
the IEEE 802.3 CSMA/CD specification published in 1985.
The rapid increase of application and the worldwide use of this technology
enables problem-free and above all cost-effective connection
to existing networks.
3.1.1 Ethernet MAC-ID
The Ethernet MAC-ID is a 6-byte-value which serves to definitely
identify an Ethernet device. The MAC-ID is determined for each
device by the IEEE (Institute of Electrical and Electronics Engineers,
New York).
The first 3 bytes of the MAC-ID contain a manufacturer identifier.
The last 3 bytes can be chosen freely by the manufacturer for each
device and contain a definite serial number.
A label on the Micro Innovation modules shows the respective MAC-
ID.
In addition to that, the MAC-ID can be read out using the software
tool "I/O-ASSISTANT".
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