Nexcom NIO200IAG User Manual page 47

Routes
The Routes section lists the routes of which the source is the selected device.
Routes can be classified into:

Routes based on graphs, established between two field devices or a field device and the
Backbone Router
 Hybrid routes – established between the Backbone Router and a joined device (the
destination of the route) for which an outbound graph has not been created yet. Hybrid
routes consist of the node's parent's outbound graph and the destination node.
Routes are listed in a table displaying the following information:
 Route ID – route identification data; ID's are given in the order of creation of the routes.
Route 1 is the default route established between field devices and the Backbone Router.
 Alternative – a number ranging from 0 to 3 that enables you to differentiate between
routes based on their source and destination:




Selector – identifies the destination of the route; the selector varies based on the value

of the alternative:




Forward Limit – the maximum number of nodes that a route can include

 Route Element – indicates the ID of the graph that stands at the basis of the route, or the
graph ID and the destination's address, for hybrid routes.
November 2017
If the alternative is 0, the route is based on a contract requested by the System
Manager or the Gateway. This feature will be available in future releases.
If the alternative is 1, the route is established between two field devices
If the alternative is 2, the Backbone Router is the source of the route and a field
device is the destination.
If the alternative is 3, this is the device's default route (Route 1) to the Backbone
Router.
If the alternative is 0, the selector indicates the contract ID and the address of
the source (SM or GW)
If the alternative is 1, the selector field indicates the contract ID.
If the alternative is 2, the selector field indicates the address of the destination
device.
If the alternative is 3, the selector is null.
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