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The transitions are described in the following table:
State
Transition
Description
Initial
Power-up
Boot program starts-up after reboot or power on.
Booting
Ready
The firmware is started.
Read network
info
No network
The network unit was not previously part of a network. A
network setup timer of
1 minute
is started.
Read network
info
Networked
The network unit was part of a network before, i.e. the network
unit is power-cycled.
Network setup
Detected
A new network unit was detected and will be added to the
network. The timer is restarted.
Network setup
Timeout
The network is created and stored persistently in the network
unit.
A network extension timer of
1 minute
is started.
Network
extension
Detected
A new network unit was detected and will be added to the
network. The timer is restarted.
Network
extension
Timeout
The network set-up finished.
Check
connections
Still
connected
The network unit has connections (i.e. is still in range), to one or
more of its neighboring network units.
Check
connections
No
connection
There are still no connections.
Connected
Disconnect
The network unit lost the connection to its last neighbor and is
effectively isolated.
Connected
Data
The network unit received an Ethernet frame which is to be
forwarded to one of its neighbors.
Transmitting
Ready
Ready transmitting data.
Disconnected
Connect
A connection was established with another network.