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Data Receiver Data Sender Operation
(External Device) (This Instrument)
HBR -----> Send Request
(Optional)
<----- HBS Data Send
ACK -----> Acknowledge
<----- HBS Data Send
ACK -----> Acknowledge
:
:
ACK -----> Acknowledge
<----- EOD End of Data
:
Other Sub Session
:
<----- EOS End of Session
The packed with the same packet number is resent when a checksum mismatch or incompatible data
format error is detected.
Data Receiver Data Sender Operation
(External Device) (This Instrument)
HBR -----> Send Request
(Optional)
<----- HBS Data Send
ACK -----> Acknowledge
<----- HBS Data Send 1
ERR -----> Error
<----- HBS Data Send 2 (Retry
1)
ERR -----> Error
<----- HBS Data Send 3 (Retry
2)
ACK -----> Acknowledge
:
:
ACK -----> Acknowledge
<----- EOD End of Data
:
Other Sub Session
:
<----- EOS End of Session
Session terminates if ERR is detected a number of times.
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