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Creating a User-Defined Terminal Table
Before defining a UDT, you must determine if you want enhanced tables or standard
tables. You must use enhanced tables if you want the following options:
• Customized UDT names appear on the Terminal Selection Screen
• Customized terminal initialization sequences sent to the terminal
• Large-screen mode operation when using UDTs.
You should also become familiar with the terminal you are using. You may need to
refer to the terminal's technical documentation to create your UDT. Refer to
Appendix K, "Manuals for Default Protocol Conversion Displays" for a list of the
books you may want to use while creating your UDT.
The steps to take in defining a UDT are as follows:
1. To use enhanced tables, convert from standard to enhanced tables. This
procedure is described in Chapter 16, "Converting Between Standard and
Enhanced UDTs." When you receive your 3708, the UDTs are in the standard
format.
2. Normally, you want to model your UDT after an existing, default terminal
table. Note the 1D number of the table you are using as a model. This 1D is
the same one that you type in to select that table from the Terminal Selection
Logon screen (C2).
3. Determine what function you want to change in the existing table. Study the
format of the tables. It is described under "Looking at the Terminal Table
Format." Note the items that apply to the function you want to change. Note
the hex address of each field that you need to change.
4. Define the UDT by selecting option 5 from
the
3708 control terminal
Configuration and Password Menu (M120.0). Select the ID of the table you are
using as a model and the 1D of the UDT you are creating.
5. For each change that you want to make in the table, type in the hex address of
the location to be changed, then press ENTER. The "current" data at that
location is displayed above the line where you enter your changes. Type in the
new data, and press ENTER. Repeat this step for all changes in your table. See
"Changing an Existing Table" on page 15-18 for an example of the steps and
screens used for making this kind of change.
6. When your changes are complete, press PF6 to save the new table.
7. As with all configuration changes, you must start the 3708 again to use your
newUDT.
15-2
3708 Planning and Installation
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