HP 10343B Operating Manual page 83

Table B-l. Phases
Message I/O C/D
Name of Phase
0
0 0 Data Out
0 0 1 Data In
0 1 0 Command
0 1 1 Status
1 0 0 Not Defined
1
0 1 Not Defined
1
1 0
Message Out
1 1 1 Message In
SCSI Overview
B-4