Siemens SIMATIC NET S7-300 Manual page 107

Figure 5-3 Layout of the "New Connection" Dialog (Example of an ISO Transport Connection)
3. Select the partner station to which you want to establish a connection (if several
CPUs exist, please select the required CPU).
4. Select the connection type you want to use (for example ISO transport
connection) in the "Type" box
When you confirm your input with Apply, the new connection is created and the
"New Connection" dialog box remains open. This allows you to create further
connections without needing to reopen the dialog box. The connection table is
updated at the same time.
When you click OK, the connection is entered in the list, the dialog is terminated
and the display in the main dialog is updated.
If you click Cancel, the dialog is terminated and the connection is not entered in
the list.
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
5 Configuring Communication Connections
A -107