Architecting and designing : UML 2.5 : Model Elements : Connector Node (Invisible)
  
Connector Node (Invisible)
The ConnectorNode (Invisible) symbol allows you to make a connection between required and realized interfaces through their ports, through the Connector to ConnectableElement relationship symbol. When connected, the node becomes invisible (see example below).
An alternate symbol is the ConnectorNode symbol.
This graphic is described in the surrounding text.
See also
Association Node
CollaborationUse
Component
ConnectorNode
Structured Classifiers
Classifiers
TemplateSignature
Comment
Connector Node
Constraints
Data Types
Dependency Nodes
InformationFlow Node
Instances
Ports
Property
Structured Classifiers
Part
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