how do i lock a connector to the side of an object but off center

[joe]

i want to lock the connectors between object but it appears this will only
happen with the connector at the center of the object side. i would like to
show multiple independent locked connectors on a side of an object.

 

[Echo S]

i want to lock the connectors between object but it appears this will only
happen with the connector at the center of the object side. i would like
to
show multiple independent locked connectors on a side of an object.

See the three tutorials (connectors, connectors 2, connectors 3) at
http://www.pptworkbench.com/html/communication.htm