The Operator Information Area (OIA) provides useful information regarding the current state of the session connection. Users cannot select, place the cursor, or enter text in the OIA, which is located at the bottom of the host session screen and is separated by a horizontal line.


Connection Mode
The left most columns of the OIA provide information about the type of connection made for the current session. One of the following symbols will appear:


Symbol

Connection Mode

TN

Basic TN3270 or TN5250 mode

TE

Enhanced TN3270 mode

NVT

Network Virtual Terminal (telnet mode)

VT

VTxxx session connected

SCO

SCOANSI session connected

WY

WYSE session connected


Session State
When a TN3270 or TN3270E connection is established, another symbol will appear in column 3, indicating the state of the session:


Symbol

Session State

LU-LU state (full session)

SSCP-LU state (half session)

Neither LU-LU or SSCP-LU (unowned session)


TLS/SSL/SSH Security
If the session is encrypted with TLS or SSH security enabled, one of the following will appear in columns 5-7:


Symbol

Security Mode

TLS

Transport Layer Security encryption is enabled

SSL

Secure Sockets Layer encryption is enabled

SSH

Secure Shell encryption is enabled


System State
The current state of the system is indicated by several symbols that appear to the right of the session state in column 9, providing information about the status of the host. User input is prohibited in each of the following states:


Symbol

System State

X

Host processing request

X SYSTEM

The host system has locked your keyboard

X

AID key sending information to the host. Time is required for the host system to perform a function

X

Input attempted in protected field (use Reset to release)

X -f

Function not allowed (text cannot be sent in this mode)

X ?+

Inhibited condition (use Reset and retry operation)


Resource Name

The Resource Name or Logical Unit (LU) name displays starting at column 61.


Cursor Position
The current cursor position is displayed on the far right-hand side of the OIA in the format R/C, where R indicates the row and C indicates the column.