DeWalt AV200 manual Two Networks on Different Circuits, Two Networks on the Same Circuit

AP 1

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AV200	Power
WalPowerline	VPI
Mount	AP

EP 1

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AV200	Power
WallPowerline	VPI
Mount	AP

Video Network Setups

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EP 2

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In multi-network scenarios, such as the one depicted in the picture above, there is a
new entity, called the QoS controller. The QoS controller’s role is to assign channel
access to the different networks. The QoS controller acts at the same time as the
AP of one of the networks. In the presence of several networks, the coexistence	34
protocol automatically selects one of the APs as the QoS controller.
4.2.2.1 Two Networks on Different Circuits
If two In-Home AV networks are configured, with no direct visibility between any of
the adapters belonging to different networks, then these two networks will behave
as two independent networks. Both APs will act as QoS controllers.
4.2.2.2 Two Networks on the Same Circuit
Different networks are defined by different network IDs.
If two In-Home AV networks are configured as public networks, the coexistence
protocol will act as if there were only one network. The network ID is transmitted
by every adapter to communicate the existence of its network. If an adapter with
network ID A receives network ID B, then it knows that there are at least two
networks sharing the channel.
For example, one In-Home AV network is configured and running. A second
network is configured and becomes active. Then the second network will notify
the first network of its existence in some specified access slots, and both networks
will automatically be reconfigured and will share the channel. If both networks are
configured at the same time, the QoS controller will be selected from all available
APs.

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