IBM SY27-0345-06 manual IBM Grounded cor Rectly, Area With, Interference?, 027

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 t

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: Verif

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” page 2-23.

		025
		Install an uninterruptible power supply to minimize the effects of
		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 Op
on	page 2-23..

027

Go to “MAP 0210: Verify Operation” on page 2-23.

2-202210 Service and Maintenance