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H
RXD
L
H
S
TXD
T
0 0 1 0 0 0 0 0
B
L
H
CTS
L
H
RTS
L
H
DTR
L
H
DSR
L
Sequence 3
P
S
S
P
S
S
P
B
P
T
0 1 1 1 0 0
1
0
B
P
T
0 0 0 0 0
1 1 1
B
B
B
B
B
t
: Less than 500 ms
1
t
: More than 1 word length
2
Sequence 3:
Response for the CONTROL command is sent to the host computer.
Sequence 4:
ACK for the response (issued at Sequence 3) is sent to the scanner.
Figure 6.6 Control command sequence (2/4)
t
Sequence 4
1
S
T
B
S
S
P
S
P
T
1 1 0 0 0 0 0 0
B
P
B
B
B
t
2
X'04', '4E', 'E0', '03'
X'FF'
P
S
B
P
B
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