RJC is sent to terminate the session in case ACK cannot be recognized.

Data Receiver

 

Data Sender

 

Operation

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

HBR

 

Send Request (Optional)

 

HBS

 

Data Send

ACK

 

Acknowledge

 

HBS

 

Data Send

 

:

 

 

 

 

:

 

 

 

(Terminate operation)

 

 

RJC

 

Data Receive Canceled

Data Receiver

 

Data Sender

 

Operation

HBR

 

Send Request (Optional)

ACK

 

Acknowledge

 

HBS

 

Data Send

ACK

 

Acknowledge

 

HBS

 

Data Send

 

:

 

 

 

 

:

 

 

 

(Terminate operation)

 

 

 

RJC

 

Data Send Canceled

BSY is returned to the external device when OBS, OBR, HBS, or HBR is sent while the Instrument mode is not suitable to perform bulk dump, etc. After BSY is received, the external device should wait until the Instrument enters a mode in which the session is enabled.

Data Receiver

 

Data Sender

 

Operation

OBR

 

Send Request

 

BSY

 

Send Rejected

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