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The scanner has a TTL-level RS-232 interface to communicate with a host. RTS and CTS are only
used for hardware flow control and should be leaved unconnected or tied to V
resistors when they are not used.
The following diagram demonstrates the interconnection.
Figure 2-3 Scanner and Host interconnection via RS-232
Figure 2-4 Scanner and host interconnection via USB
TXD
RXD
Fixed
Scanner
RTS
CTS
RXD
TXD
Host
CTS
RTS
7
by 100K Ohm
CC
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