Format, Eot Response Or Incomplete Transmission; Format, Extor Conditions - IBM 2780 Reference Manual

Negative Response
s
Ebb S
TERM A
or CPU
T Toxt
1
Toe
T
Toxt
1
(Retransmission)
X Bee X
TERMB
or CPU
N
A
K
Invalid or No Response
S
Ebb
TERMINAL A T Text Tee
or CPU X Bee
TERMINAL
B
or CPU
*Invalid or no response
*
E E E E
N
N N
o
(Discon-
Q
Q Q T nect)
* * *
Format, EOT Response or Incomplete Transmission
EOT Response
S Ebb
TERMINAL A T Text Tee
or CPU X Bee
E
TERMINAL B
0
T
56
(Re-establish oommun-
ication)
Incomplete Transmission
s
E E
o
(Re-establish TERMINAL A T Text N
or CPU X
Q
T communication)
TERMINAL
B
N
A
K
Format, Error Conditions
Line Failure
E
TERMINAL A N
or CPU
Q
TERMINAL B
or CPU
D
LO
E
S Ebb
T Text 1 Tee
X Bee
D
LO
E
E S
N
T Text
2
Q X
D (Line fail-
Ll ure dur-
E ing re-
sponse;
character
1 changed
to 0)