Tests whether a connection can be started from the given source plug.

The unit classifier.The board classifier.The source plug classifier.The source parent classifier.Indicates whether a connection can be started from the given source plug.<h2>Dependencies</h2><div class="INSET">None</div> <h2>Behavior</h2> Use this rule to control from which plugs connections can be started. By default, connections can be started from any plug.(c) SAP AG 2003-2006. All rights reserved.