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FINS Commands with Host Link Protocol Section 3-5
Response Wait Time
When response wait time has been set in the command format from the host
computer, commands to the host computer will not be transmitted until the
response time has elapsed (1). Transmission of responses to commands from
the host computer will be postponed until the command transmission to the
host computer has been completed.
When a response is not required from the host computer, the Communica-
tions Port Enabled Flag will turn ON when the command to the host computer
has passed from the CPU Unit to the port.
Response Required
Host computer
Command
Response
Serial Communications Board/Unit
Communications Port Enabled Flag
Command acknowledged
Command completed
No Response Required
Host computer
Serial Communications Board/Unit
Command
Response
Communications Port Enabled Flag
Command acknowledged
Command completed
Response wait time
Response wait time
(1)
(2)
(1)
(2)
Command
Response
Command
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