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Demo User’s Guide
3
Introduction to 3770Link
3770Link combines full-featured SNA RJE communications with a
comfortable user interface. You can use the intuitive menus for interactive
operations or take advantage of the powerful script language and/or
programmatic control for automated, unattended sessions.
3770Link’s user interface utilizes menus, dialog boxes, and context
sensitive help. There are no confusing, cryptic commands to remember.
3770Link’s user interface allows you to interactively initiate a
communication session with the host computer through menu options such
as Connect or Auto Dial. Once connected, data can then be sent through
menu options such as Send File or Send Logon; in interactive mode,
incoming data is automatically received by 3770Link if the line is
connected. To terminate an interactive session, the Disconnect menu
option is used.
For automated operations and unattended sessions, 3770Link incorporates
a powerful script language. 3770Link SO’s script language commands
automate the functions of 3770Link GUI’s menus. There are commands
for looping, branching, and error control. There’s a command to run
external processes, and others that provide the linkage for 3770Link
client/server operation. Auto-dial, answer, and time activated commands
are available. Later, after a script is run, you can review the results by
viewing 3770Link’s log file which contains all commands, messages, and
command results.
For developers, script sessions can be invoked from and controlled by your
application to integrate SNA RJE communications into your custom
applications. For advanced applications, 3770Link can be configured as an
SNA RJE server for your custom written client application.