EM3270 Manual

IBM Host to Tandem Terminal Translation
A-2 110332—Tandem EM3270 Manual
EM3270 Emulation Description
Attribute Select
Extended Highlighting
Symbol Set
Extended Color
ALT
Unsupported 3270 Features:
Programmed symbols
Selector pen
Screen sizes larger than 24 lines of 80 characters to be displayed
on Tandem terminals
Magnetic stripe reader
Security keylock
Fields that wrap from last screen position to first screen position*
Suppress Index Print Order
Cursor display when all fields on the screen are protected*
Cursor positioning in protected fields or in attribute locations*
*These restrictions do not apply when using PCT version G40 or later.
IBM Host to Tandem Terminal Translation
For terminal emulation, the IBM 3270 commands issued by the IBM host application
are handled as described in Table A-1.
Table A-1. IBM 3270 Command Translation
Command EM3270 Emulator Action
Copy Partially supported. Only copies from a CRT to a printer
are supported. CRT to CRT copies are not supported.
Erase All Unprotected Fully supported.
Write Fully supported. See specific handling of buffers order and
WCC bits below (Tables 4A- and A-5).
Erase/Write Fully supported.
Erase/Write Alternate Partially supported. This command is handled the same as
Erase/Write. The alternate screen sizes are not supported.
Read Buffer Fully supported.
Read Modified Fully supported.
Read Modified All Fully supported.
All Select commands Ignored.
No Operation Ignored.
Sense Ignored.