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

Page 42
Image 42
IBM SY27-0345-06 IBM Grounded cor Rectly, Area With, Interference?, Are there power line disturbances? Yes No 024, 027