Terminal emulation

AWS Blu Insights Capture & Replay provides an access to character-based hosts. It can connect to mainframes or AS400 environments via TN3270 or TN5250 terminals.

AWS Blu Insights is not intrusive and connects to the host through a standard socket connection, without specific installation expected on the mainframe, or AS400.

There are two options specific to the TN5250:

  • The character encoding of the host
  • The Workstation ID, also called Device Name or LU Number. It represents a dedicated LU name or number on the AS/400 5250 server that you want your 5250 sessions to connect through. If in doubt, leave this field blank.


Besides traditional terminal emulator features (display, cursor management, writing), AWS Blu Insights terminals manage the following features:

  • TAB and SHIFT+TAB keys allowing to go to the next or previous field.
  • Copy and Paste.
  • HOME button that places the cursor in the first field of the page.
  • END button that places the cursor at the end of the current field.
  • SHIFT+END buttons that delete the text written in the field, starting from the cursor.
  • INSERT key allowing you to start or end Insert mode.
  • pageUp and pageDown to browse paginated screens.
  • Function keys (F1 to F24) mapping.
  • [TN5250 only] Quick Field Exit (+ on the numeric pad) and Quick Field Minus ( on the numeric pad) keys.