IBM 5280 Manual page 272

A
B
9
056
COMMUNICATIONS MAP
EIA WRAP ERROR MAP
PAGE 10 OF 12
- Probe the extra 'Transmitted'
line at probe potnt B. ;
Up light: Off
Down light: On
Are the lights correct?
Y N
057
The EIA line adapter card is
defective (A-D7)(MIM 323).
053
- Probe the extra 'Transmitted'
line at probe point A.
Up 1 i ght:- O-ff
Down light: On
Are the lights
correct~
Y N
I05~h~
I -
'"e'
logic board
15
defective.
060
The EIA line adapter card
defective (A-D7)(MIM 323).
- - - - OR
Defective communications
card (A-ES)(MIM 811).
If a 'Ros Patch' cable
connected to the card,
GO TO MAP 0600~ ENTRY POINT A.
is
MPU
is
V
3
MAP 3019-10
061
THE SYMPTOMS INDICATE THAT THE
EXTRA LINE IS PICKING UP THE
WRAPPED LINE.
- Remove the wrap connector.
Note: The 'Received' line
displayed may change with the
wrap connector removed. Ignore
this byte for now.
- Probe the extra 'Transmitted'
line at probe point F.
Up light: On or Pulsing.
Down light: On or Pulsing.
Are the lights correct?
Y N
062
THE SYMPTOMS INDICATE THAT THE
EXTRA LINE IS PICKING UP THE
'RECEIVED' LINE (WHICH IS UNDER
TEST).
Reinstall the wrap connector.
- Probe the extra 'Received'
line at probe- point B.
Up
Down
Are
Y N
111
1
1
1
A A A
C D E
light: On or Pulsing.
light: On or Pulsing.
the
1
i gh t s correct?
EC340374 PEC339737
MAP 3019-10