User manual

Computer Gateway User Manual 5-7 5/96
5.6
STARTUP NORMAL OPERATION
EVENT or MESSAGE
STATE
Time Synch Message (31) Received Restore Message (43) Received Data Message Received Positive Confirm (30) Received Negative Confirm (30) Received
Data messages to CIU stacked at Host Processor
Link Fail (32) Message Received (Note 6)
INIT
Return Time Synch Message to CIU
Send CNFPOS and goto RESTORE 0 OR Send CNFNEG
Not appropriate (NOTE 2)
Not appropriate (NOTE 3)
Not appropriate (NOTE 4)
Not appropriate (NOTE 5a)
goto INIT 0
Restore 0
Return Time Synch Message to CIU
Not appropriate (Note 1) Send CNFPOS OR Send CNFNEG
Not appropriate (Note 3) Not appropriate (Note 4) Send next data message (Note 5b) goto RESTORE 1 goto INIT 0
RESTORE 1
Return Time Synch Message to CIU
Not appropriate (Note 1) Send CNFPOS OR Send CNFNEG
goto RESTORE 0 OR (if Restore is complete) goto NORMAL 0
Retransmit previous message (NOTE 7)
No action (Note 5c)
goto INIT 0
NORMAL 0
Return Time Synch Message to CIU
Not appropriate (Note 1) Send CNFPOS OR Send CNFNEG
Not appropriate (Note 3) Not appropriate (Note 4) Send next data message and goto NORMAL 1 goto INIT 0 goto INIT 0
No action (Note 5c)
Retransmit previous message (NOTE 7) goto normal 0
Send CNFPOS OR Send CNFNEG
Not appropriate (Note 1) Return Time Synch Message to CIU
NORMAL 1
Figure 5-1 — Host Processor Processing States 3231