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3.0 Mesh Configuration
3.2.3 Unit Addressing
Each unit is factory assigned a hardcoded MAC address that can not be changed. Using factory as-
signed addressing simplifies the configuration process, as addresses do not have to be manually as-
signed and minimizes errors that are often created when duplicate address are accidently used. In appli-
cations where the data is to be broadcasted to all units in the network, the value FF:FF:FF:FF:FF:FF is
used as a destination address in register S140. It is possible to replace the MAC address with a value in
S105. See the register S87 for more information.
For unicast operation, the specific unit address must be used. This address can be retrieved by using
the AT&V command as highlighted below.
Image 3-8: Retrieving unit MAC Address from AT&V output
Image 3-9: Retrieving unit MAC Address from ATI255 Output
It can also be viewed using the ATI commands. ATI255 will show the MAC address as well as some
additional information seen in the image below. ATI7 will show just the MAC Address.
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