Fujitsu M3097DG A.7 Command Sequence, A.7.1 Initial sequence

A.7 Command Sequence

A.7 Command Sequence

This section describes the initial sequence and read sequence.

A.7.1 Initial sequence

Host side Scanner side

Power ON/reset/initialize

Scanner does not respond for 3

				Verify the logical				INQUIRY	Prepare INQUIRY data
								INQUIRY	Respond with INQUIRY data
							TEST UNIT READY
		Verify scanner READY							Respond with GOOD status
									if READY
								Status byte
Check status byte									Respond with CHECK
									CONDITION status if
			ReceiveGOODstatus
									UNIT ATTENTION
			ReceiveCHECKCONDITION
			status				REQUEST SENSE		Prepare sense data
			Request sense data
								Sense data
					Receive UNITATTENTION				Respond with sense data
			sense data						Clear sense data (Release
									UNIT ATTENTION)
				Verify scanner READY			TEST UNIT READY		Respond with GOOD status
									if READY
								Status byte
	Check status byte								Respond with CHECK
			Receive GOOD status						CONDITION status if
									NOT READY
			Receive CHECK CONDITION
			status
									Prepare sense data
			Request sense data				REQUEST SENSE		Respond with sense data
			Receive sense data
								Sense data
						NOT READY
			HARDWARE ERROR
				End (Ready to read)					End (Ready to read)
					Abnormal termination

Appendix A-115