FUJITSU 50FH5037E-02 - Manual (Page 125)

Figure 6.9 Sense command sequence
H
L
RXD
H
L
TXD
H
L
CTS
H
L
RTS
H
L
DTR
H
L
DSR
Sequence 1 t 1 Sequence 2 Sequence 3
S
T
B
S
T
B
0 1 0 0 0 0 0
P
B
0
S
P
B S
T
B
1
S
T
B
1 1 1 1 1 1 1 1
P
B S
P
B
0 1 0 0 0 0 0
P
B S
P
B S
T
B
0 1 1 1 0 0 1 0
P
B S
P
B S
T
B
0 0 0 0 0 1 1 1
P
B S
P
B S
T
B
1 1 0 0 0 0 0 0
P
B S
P
B
0
Sequence 4
S
T
B
1 1 1 1 1 1 1 1
P
B S
P
B
0 0 0 0 0 1 0
P
B S
P
B
t 2
t 1
t 2
t
1
: Less than 500 ms
t
2
: 1 byte
Sequence 1: The host computer sends the SENSE command to the scanner.
X`02', `42'
Sequence 2: ACK for the SENSE command is sent to the host computer.
X`FF'
Sequence 3: Response for the SENSE command is sent to the host computer.
X`04', `4E', `E0', `03'
Sequence 4: ACK for the response (issued at Sequence 3) is sent to the scanner.
X`FF'