DynaComm® T27 Support - Technical Profile

This Technical Profile is intended to provide general technical information about DynaComm’s features, specifications, and configuration. Information in this document pertains to the most current release of the product (see the Product Release History below). Earlier versions of DynaComm T27 may differ in functionality and/or configuration from the current released version.

DynaComm T27

DynaComm T27 is a full featured application that provides reliable T27 terminal emulation for 32 bit Windows users. DynaComm T27 is designed to provide users with the flexibility to integrate a Unisys host mainframe with a PC–based Windows environment. The macro and scripting language allows users to automate various tasks to make host applications easier to use.

A. Release History

Version	Release Date	Release Status
DCT27 4.1.40	August 22, 2002	Supported
DCT27 4.1.39	April 29, 2002	Supported
DCT27 4.1.38	January 7, 2002	Supported
DCT27 4.1.36	May 17, 2001	Supported
DCT27 4.1.34	August 15, 2000	Supported
DCT27 4.0.34	August 15, 2000	Supported
DCT27 4.0.33e	April 19, 2000	Supported
DCT27 4.0.32	January 7, 2000	Supported
DCT27 4.0.29	January 19, 1999	Supported
DCT27 4.0.27	June 14, 1999	Supported
DCT27 4.0.24	April 14, 1999	Supported
DCT27 4.0.21	March 4, 1999	Supported
DCT27 4.0.19	December 14, 1998	Supported
DCT27 4.0.17	October 8, 1998	Supported
DCT27 4.0.15	September 23, 1998	Supported
DCT27 4.0.4a	February 15, 1998	Supported

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II. Functionality

A. Platforms Supported

Windows 95
Windows NT 3.51
Windows NT 4.0
Windows 2000
Windows XP

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B. Basic Functionality

1. Emulations -- The following terminal types are emulated by DCT27

Unisys T27

2. Connectors -- DCT27 connects to an A-Series mainframe over Winsock

Winsock

3. File Transfer Protocols -- standard with the base DCT27

Text

4. Macros

A DynaComm T27 macro control is a sequence of commands utilizing the functionality of the scripting language. The major difference between a macro and a script is that a macro is limited to 256 characters, however, a macro can execute one or more scripts which makes it flexible and easily expandable. The two methods of executing a script from a macro is through the CALL and CHAIN commands. The difference between these two commands is that if the user CALL’s a script, execution will be returned to the macro key control, whereas if CHAIN is used to a script control, execution will not return to the macro.

5. Scripting

The scripting language in DynaComm T27 is a powerful assistant to the interactive terminal work. A script file can be invoked for each terminal concurrently, which allows the user to have one script waiting for a particular message in one terminal window, while executing different scripts in other terminal windows. The scripts within DCT27 are uncompiled text files that can be created and modified either within the DCT27 application or in other text editors. The editor that DCT27 launches to create and open scripts is Windows Notepad. DCT27 includes powerful scripting tools for debugging purposes and in the creation of screens that look and feel like host application screens.

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6. Tools/User Interface

DynaComm T27 provides users with several tools to customize their workspace and automate common tasks.

a. Save Screen As

Purpose:	Take a snapshot of a terminal screen including all text and screen control characters (color, protection, highlighting etc.) In combination with the Screen Maker, it can be used to design terminal screens, including field edits, color, line and box drawings, which can be incorporated into user designed scripts.
Accessed via:	File: Save Screen As
Configuration:	Creates a graphic .SCN or .WMF file, configuration is accessible via the Windows Save As dialog.
Defaults:	The default folder/directory for the graphic file is DynaCommT27, but other folders/directories can be selected.
Scope:	Applies to a single terminal screen.

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b. Capture

Purpose:	Capture all data sent from the host to the active window in a text file.
Accessed via:	File: Capture
Configuration:	If Snap Screen Text is selected, the contents of the active window will be copied to the capture file. Selecting the Clear Captured Text item will clear all text captured in the buffer and in the currently assigned capture file.
Settings stored:	In the configuration file .CFG located in the DynaCommT27 folder/directory.
Defaults:	The Capture option is off by default.
Scope:	Capture option applies to a single terminal window. If the user wants to capture data for multiple terminals, a capture file needs to be set up for each terminal.

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c. Color Properties

Purpose:	Allows users to create and save custom color schemes which associate host field attributes to the terminal colors specified.
Accessed via:	Settings menu: Terminals: Colors
Configuration:	Host field attributes are displayed with their current color schemes. Users can modify the foreground and background color by selecting the field attribute(s) and choosing the color from the palette. The selected color scheme can be applied to the current terminal or to all configured terminals.
Settings stored:	The custom color scheme is stored in the configuration file .CFG located in DynaCommT27 home directory.
Defaults:	The default configuration file DCT27.CFG comes with hard coded color schemes for the different host field attributes. If the user creates a new settings file, the default colors will be black on white on most fields, except for unprotected fields which will have green on black.
Scope:	Color schemes are specific to the configuration file. They can be applied to terminals on an individual basis or to all the terminals defined in the configuration file

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d. Shortcut Key Mapper

Purpose:	Allows user to edit shortcut keys for any menu entry.
Accessed via:	Settings menu: Keys
Configuration:	User selects an existing key map style (1, 2 or 3) to edit, and is then able to create, change, or delete the shortcut keys for the menu items. It is possible to have the same menu item accessed by multiple shortcut keys.
Settings stored:	The user defined shortcut key settings are stored in the configuration file .CFG in DynaCommT27 home directory.
Defaults:	The shortcut keys are specific to the chosen key map style, and applies to all terminals within that particular configuration file. The DCT27.CFG configuration file that comes with DCT27 and new configuration files uses the 3 hard coded key map styles by default.
Scope:	The shortcut keys applies to all terminals specified within the current configuration file.

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7. Documentation/Help

All DynaComm T27 documentation is available online. The help file is stored in the root of the DCT27 folder as dct27.hlp.

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C. Enhancements

1. Development Tools and Utilities

a. Sript Bar

The Script Bar helps the user in monitoring and debugging scripts in DynaComm T27. It can be accessed manually from the View Menu: Script Bar, the Tools menu: Step Into Script, or if the command ON SHOW is included in the script. The Script Bar allows single command line execution via the step option or it can execute the lines automatically without user intervention. Using the Step Mode the user is also able to ignore a command line if he/she does not want it to be executed.

b. Auto Script

The Auto Script item under the Tools menu, allows the user to record a script automatically. To start recording, go to the Tools Menu: Auto Script and enter a filename for the script. The keystroke will be recorded by the Auto Script to the specified file. When the user is finished recording, the script can be stopped by selecting the Auto Script item again.

c. Screen Maker

DynaComm T27 has a Screen Maker that is most often used in combination with the Save Screen option. The Screen Maker supports the field control character operations for the user to create his/her own screens or it can be used to check the field types that the host sends to the terminal. With the Screen Maker, the user can create screens that look and feel like terminal screens, save them using the Save Screen option and access them from a script. The Screen Maker Bar can be accessed from the View Menu: Screen Maker Bar.

d. Log Viewer

The Log Viewer allows the user to capture information that is entered in the terminal and that is sent to the host. It provides several options for what information the user wants to capture in the log by the use of different filters. For instance, if the user wants to check for the keystrokes entered in the terminal, enabling the Keystrokes filter will log every keystroke the user makes. The log viewer can be accessed from the Tools Menu: Log Viewer.

e. Trace

DynaComm T27 has included a specific trace option to aid with diagnostics and troubleshooting. Available under the Tools menu, Trace gives the user the option to capture information to and from the host. It also has options to select different filters depending on the type of problem that needs to be investigated, in addition to a comments section where the user can make personal notes to the nature of the trace.

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III. Technical Specifications

A. Miniumum Recommended System Requirements

IBM compatible PC with a 486 or higher microprocessor, with at least 16 megabytes of RAM
Floppy disk drive
Hard disk with at least 2 megabytes of free disk space
Microsoft Windows 95, or Windows NT v.3.51 or higher, or Windows 2000, or Windows XP
Free network connection

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B. Installation

1. General

DynaComm T27 ships with one 3.5 inch floppy diskette
Full Installation Footprint: 1.74 Mbytes

2. Installation Procedure

The installation of DynaComm T27 performs the following main functions, in this order:

Asks the user to enter the name of the registered user and their company name.
Creates a DynaCommT27 folder/directory and copies the following user files:
dct27.cfg
dct27.exe
dct27.hlp
install.log
QHosts
Qterm27.ttf
uninstall.exe
Creates DynaCommT27 program group.
Launches the product.

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E. Icons

	DCT27.EXE is the DynaComm T27 main executable. This executable can be set up to open a connection to a host or perform a macro or a script when it is launched.
	DCT27.HLP is the on-line help file that includes details about the functionality of DynaComm T27 in general, as well as its macro and scripting language.
	UNINSTALL.EXE is stored in the root folder of DynaComm T27. Executing Uninstall will remove the DCT27 executable and its configuration files from the hard drive.

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F. Configuration/Initialization Files

NAME	TYPE	DEFAULT LOCATION	DESCRIPTION
*.CFG	TEXT	DynaComm27	Configuration preferences (terminal names, keys, macros etc.)
INSTALL.LOG	TEXT	DynaComm27	Logs the paths to where DCT27 is installed. Used when uninstalling DCT27
QHOSTS	TEXT	DynaComm27	Host configuration file

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