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Casio CTK6000 User Manual

Page 47

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Data Sender

Data Receiver

Operation

(External Device)

(This Instrument)

SBS(HBS)

----->

Session Start Request

<-----

ACK

Acknowledge

HBS

----->

Send Packet

<-----

ACK

Acknowledge

HBS

----->

Send Packet

<-----

ACK

Acknowledge

HBS

----->

Send Packet

<-----

RJC

Terminate Session

22.3.15

Example: Session Pause

Session flow when the session is temporarily paused for some reason and then restarted is shown below.
A session can be paused by sending an EXI message from an external device or this Instrument to the
other device.

Data Receiver

Data Sender

Operation

(External Device)

(This Instrument)

SBS(HBR)

----->

Session Start
Request

<-----

ACK

Acknowledge

HBR

----->

Send Request

<-----

HBS

Send Packet

ACK

----->

Acknowledge

<-----

HBS

Send Packet

Interval *Note1

EXI

----->

Extend Interval
(Pause Session)

Interval *Note1

EXI

----->

Extend Interval

:

EXI

----->

Extend Interval

Interval *Note1

ACK

----->

Acknowledge
(Restart
Session)*Note2

<-----

HBS

Send Packet

ESS

----->

End of Data

:

Other Sub Session

:

EBS

----->

End of Session

Note1

:

Interval less than the time stipulated by Handshake Max Interval explained under “24.2 System Exclusive Protocol

Parameter”. There is no limit on the number of extensions using EXI.

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