NEC MC2400 - Manual (Page 170)

C-4 Emergency Management Port Console
Console in Redirect State
The above figure shows the EMP window in redirect state with the terminal window.
The text that appears on the server monitor displays in the redirect window.
Availability of the various EMP features is determined by two things: the EMP access
mode selected during configuration in the System Management Submenu of the BIOS
Server Menu, and if the server's COM 2 port is configured for console redirect in BIOS.
The three EMP access modes are disabled, pre-boot, and always active.
EMP Access Modes (Server Configured for Console Redirect)
Mode Server is powered off During POST After OS boots
Disabled Redirect window appears,
but is blank Redirect window Redirect window
Pre-boot EMP commands available Redirect window* Inactive redirect
window
Always Active EMP commands available Redirect window* EMP commands
available
*The operation mode can be modified by selections in the post reset and post-power-up dialogs.
These are server control dialogs available with the EMP.