IBM 3278 Series User Manual

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Error log codes (3276 Control Unit):
41 Keyboard error (invalid code)
42 Keyboard overru n
43 MSR data parity
44 SP data parity
60 MSR timeout
61 SP timeout
70 Timeout (no response from the terminal) *
*Control unit may log off device.
71 Adapter receive parity
72 Data parity error*
73 Lost Op complete*
74 Feature timeout*
77 Device Check (terminal buffer parity) *
OA Total count of error code 70
OB Total count of adapter Receive parity
Refer to the control unit manuals for definitions of other error codes.
Example: In the error log for terminal YY, where a horizontal
I ine through 4Z and a vertical I ine through Z 1 meet,
the value of XX is 06. This shows that, since the
control unit power was turned on, term ina I YY has
had 6 errors of the 41 code (keyboard error) type,
which were sensed by the control unit .
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IBM 3278 Series Specifications

General

Brand	IBM
Model	3278 Series
Category	Desktop
Language	English