IBM SY27-0345-06 - Manual (Page 42)

MAP 0190 (continued)
018 (continued)
Is the RS 232 cable between the terminal and the IBM 2210 grounded cor-
rectly and shielded?
Yes No
019
Ground or shield the cable correctly or replace the cable. Go to “MAP 0210:
Verify Operation” on page 2-23.
020
Is the terminal or the terminal emulator functioning correctly?
Yes No
021
Replace the terminal or the terminal emulator. Go to “MAP 0210: Verify
Operation” on page 2-23.
022
Is the IBM 2210 in an area with high ambient electromagnetic interference?
Yes No
023
Are there power line disturbances?
Yes No
024
The IBM 2210 system board is defective.
Replace the system board. Go to “MAP 0210: Verify Operation” on
page 2-23.
025
Install an uninterruptible power supply to minimize the effects of the power
fluctuations. Go to “MAP 0210: Verify Operation” on page 2-23.
026
Move the IBM 2210 to a more isolated area. Go to “MAP 0210: Verify Operation”
on page 2-23..
027
Go to “MAP 0210: Verify Operation” on page 2-23.
2-20 2210 Service and Maintenance