Fujitsu 50FH5037E-02 Manuel D’Utilisation
4.2
Control Interface Signals
Figure 4.1 Control interface signal lines
T/D
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Host
computer
computer
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Scanner
R/D
RTS
CTS
DTR
DSR
(1)
Send data (T/D)
This signal is the response and acknowledge for the command sent on the R/D line.
(2)
Received data (R/D)
This line sends the command and acknowledge for a response.
(3)
Send request (RTS)
This line sends a request to send a response and acknowledge for the command.
(4)
Transmission enabled (CTS)
This line sends an acceptance of RTS signal.
(5)
Terminal ready (DTR)
This signal indicates that the scanner is ready for transmission and reception. This
signal is set to off when the scanner is turned off, when the scanner is initially
checked after power>on, or when a fault is detected.
signal is set to off when the scanner is turned off, when the scanner is initially
checked after power>on, or when a fault is detected.
(6)
Controller ready (DSR)
This signal indicates that the host computer is ready for transmission and
reception.
reception.
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50FH5037E>02