Casio CDP-220R - Manual (Page 32)

Data Receiver Data Sender Operation
(External Device) (This Instrument)
HBR -----> Send Request
(Optional)
<----- HBS Data Send
ACK -----> Acknowledge
<----- HBS Data Send
(Error generated)
ERR -----> Error
<----- HBS Data Send (Retry 1)
(Error generated)
ERR -----> Error
<----- HBS Data Send (Retry 2)
(Error generated)
ERR -----> Error
<----- HBS Data Send (Retry 3)
(Error generated)
RJC -----> Session stopped
RJC is sent to terminate the session in case ACK cannot be recognized.
Data Receiver Data Sender Operation
(External
Device) (This
Instrument)
HBR -----> Send Request
(Optional)
<----- HBS Data Send
:
(Fixed amount of time elapses)
RJC <----- Timeout error
The session can be canceled for any reason by sending an RJC. RJC can be sent by the sending device
or the receiving device. The bulk dump session is terminated immediately upon receipt of an RJC.
Data Receiver Data Sender Operation
(External Device) (This Instrument)
HBR -----> Send Request
(Optional)
<----- HBS Data Send
ACK -----> Acknowledge
<----- HBS Data Send
:
:
(Terminate operation)
RJC -----> Data Receive
Canceled
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