LU 3 protocol

The LU 3 protocol is used by application programs that communicate with a printer through IBM 3270 data streams. The system hub receives the data streams.

LU 3 Options pane

For Profile, specify the name of the site information profile for this connection. Click List to view a predefined list of profiles.

LU 3 Auto-Reconnect Options pane

This table shows the auto-reconnect options:

Option Descripton
Auto-Reconnect Click to automatically reestablish a broken connection.
Reopen Time Specify the minimum number of seconds to wait after connection failure before reconnection. The default is 5.

LU 3 Start-Up Procedures pane

Click Edit to open the TPS Editor. Use this to select the Tcl procedures to run when the thread starts. This is a TPS (Tcl Procedure Stream). Use it to trade messages with the remote end.