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|  MIL-D-70789A (AR)
APPENDIX B
***************************************************************************
RETURN ALERT DATA
30.2.7 Command:
From: Prime System to: DRU
Function: This data request command asks the DRU to transmit to the prime
system, Alert Data that indicates a problem or error.
DRU Response:
ALERT DATA Message
COMMAND STRUCTURE
ERROR DET. CODE
COMMAND
DATA
SEQUENCE
FLAG(F)
CHARACTER(D)
CHARACTERS
NUMBER(N)
FLAG(F)
CODE(C)
01111110
16 Bits
NONE
10011
01111110
XXX
***************************************************************************
30.2.8 Command: RETURN BIT DATA "
From:
Prime System to: DRU
function~ This command asks the DRU to transmit Built-in-Test (BIT) data to
the prime system.
BUILT-IN-TEST DATA message
DRU Response:
COMMAND STRUCTURE
ERROR DET. CODE
SEQUENCE
DATA
COMMAND
FLAG(F)
CHARACTERS(E)
FLAG(F)
NUMBER(N)
CODE(C)
CHARACTERS(D)
01111110
16 Bits
NONE
11111
01111110
XXX
160
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