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FUJITSU SCANPARTNER 600C User Manual

Page 41

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4-13

Bus settle
delay

BSY

SCSI SEL

DB

BSY

ID7 SEL

DB(7)

BSY

ID3 SEL

DB(3)

BSY

ID1 SEL

DB(1)

ID7: Succeeds in ARBITRATION
ID3: Detects the SEL signals of other SCSI unit
ID1: Detects the SCSI ID with higher priority than itself
: The point at which the BUS FREE phase is detected by each SCSI unit

Bus clear delay +
bus settle delay

arbitration delay

arbitration delay

Bus clear delay

Bus set delay

Bus set delay

Bus free
delay

Bus free
delay

Bus free
delay

Bus free
delay

ARBITRATION phase