Computer Expressions 40CG Manual de usuario descargar pdf (Pagina 178)

Computer Gateway User Manual 5-6 5/96

5.6

5.6 HOST PROCESSOR STATE DIAGRAM

The types of messages that should be expected from, or are accepted by, the CG vary as

processing states of the host-processor change. Figure 5-1 summarizes the expected

reaction to various CG messages depending upon host-processor processing state. Those

processing states are defined as follows:

INIT Hardware-level communication has been established; waiting for Restore

Message from CG. Will also receive Time Synch messages in this and all

other states.

RESTORE 0 Startup processing; ready to transmit the next message in the sequence.

RESTORE 1 Startup processing; waiting for Confirmation message from CG following

a List Request or Restore Complete message.

NORM 0 Normal processing; data messages can be sent/received.

NORM 1 Normal processing; waiting for Confirmation message from CG

following a Data Message. Data messages can be received.

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Computer Expressions 40CG Manual de usuario Pagina 178