The last line of the screen in a 3270 session is the Operator Information Area (OIA). Specific locations on the OIA display system information, such as messages related to the system connection, error conditions, and shift states.
|
Symbol |
Description |
|
4 |
Connected to a 3274 controller and terminal is ready. |
|
B |
The system uses SNA protocol. This symbol, which appears on the completion of an ACTPU/ACTLU command sequence, is turned off by the execution of DACTPU or DACTLU. |
|
█ |
Your display workstation is connected to the host application program. The PLU-SLU session is active. |
|
☺ |
Your display workstation is connected to the System Operator. The SSCP-LU session is active. |
|
? |
Your display workstation is connected to the host, but not to an Application Program or the System Operator. |
|
Symbol |
Description |
|
X () |
Busy processing input. Keyboard input is inhibited. Wait for process to complete. |
|
X SYS |
System Lock. Host has locked the keyboard. You may receive a message, then press Reset to restore the keyboard. |
|
X ?+ |
What? The last input was not accepted. Press Reset and try again. |
|
X -f |
Minus function. The function requested is currently unavailable. Press Reset to restore the keyboard. |
|
X ☺ < > |
Go elsewhere. You tried to enter characters in a protected location. Press Reset to restore keyboard. |
|
X ☺ > |
Too much data. The data entered exceeds the field length. Press Reset to restore the keyboard. |
|
X ☺ NUM |
Non-numeric data entered in numeric field. This field can only accept numeric data. Press Reset to restore keyboard. |
|
XPROGnnn |
The controller detected a programming error in the data received from the host. Use the number nnn to determine the exact error from the Program Error Codes table. Press Reset and continue. If error persists, contact support personnel. |
|
Error Code |
Probable Cause |
|
701 |
Category in BIND RU not supported. |
|
705 |
Sequence number error. |
|
706 |
Chaining error. |
|
707 |
Bracket state error. |
|
708 |
Data Traffic Reset state. |
|
709 |
HDX error. |
|
712 |
Bracket Bid Reject. |
|
713 |
Session already bound. |
|
714 |
No LU-LU session. |
|
715 |
LU not active. |
|
716 |
Not enough bytes in BIND RU. |
|
717 |
Invalid support level. |
|
718 |
Invalid PLU protocol. |
|
719 |
Invalid SLU protocol. |
|
720 |
Invalid Common Protocol. |
|
723 |
Invalid LU type. |
|
724 |
Invalid screen size specified. |
|
728 |
A Read Modified/Read Modified Alternate/Read Buffer with End Bracket without Change Direction indicator received. |
|
750 |
An invalid command was received. |
|
752 |
An invalid address was received following an order. |
|
753 |
A data stream in which data followed a Read or an Erase
All Unprotected command was received. RA or GE order with invalid character
was received. |
|
754 |
Data stream ended before all required bytes for a command were received. |
|
755 |
An invalid order was received. |
|
756 |
Invalid structured field, or structured field type not supported. |
|
Symbol |
Description |
|
NUM |
Numeric. You are entering characters in a field which only accepts numeric data. |
|
↑ |
CapsLock. CapsLock is on. |
|
^ |
Insert. The keyboard is in Insert mode. |