Common Problems When Using Ascii Terminals With Ibm Hosts - IBM 3174 Reference Manual

Common Problems
Common Problems When Using ASCII Terminals with IBM Hosts
The following table lists some of the probiem symptoms, probabie causes and the
actions you need to take when you encounter a problem with your ASCII terminal.
Table 4-1 (Page 1 of 3). Problem Resolution with ASCII Terminals
Symptom
Probable Cause
Action
Extra, missing, or unintelligible
characters on the screen
Incorrect terminal type
specified
Use the BREAK function to disconnect
and then repeat the connection
procedure. When the Terminal Type
menu appears, type the number that
corresponds to the terminal you are
using.
Incompatible terminal mode
Verify that your terminal is set up to look
like the correct terminal type.
Setup mismatch with
customizing
Read the setup Information for your
terminal by going Into setup mode.
Refer to Appendix B and verify that your
terminal setup matches the Information
in that appendix. Consult your system
administrator.
Telephone line trouble (or
noise)
Enter the REFRESH function key
sequence to clear and rewrite the entire
screen. Clearing the screen should
remove Incorrect characters resulting
from Intermittent line hits. If the problem
persists or Is severe, for switched
connections, hang up and establish a
new connection. For nonswitched
connections, contact your telephone
company representative.
Terminal In an unknown state
If this symptom occurs after you have
reconnected because your phone
connection was broken unexpectedly,
turn your terminal off, then turn It back
on and retry the connection.
Terminal receiving too much
data from the 3174
Configure the 3174 and the terminal to
use the same flow control methods.
Consult your system administrator for
assistance.
Note: If XON/XOFF flow control Is
already configured, then change the
response to question 732 to a 2, or
resume sending only after an XON is
received. See the 3174 Planning Guide.
4-2 3174 Establishment Controller Terminal User's Reference for Expanded Functions