6
The embedded 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
CC
by 100K Ohm
resistors when they are not used.
The following diagram demonstrates the interconnection.
T X D
C T S
R T S
R X D
H ost T X D
H ost C T S
H ost R T S
H ost R X D
E m bedded
scanner
H ost
Figure 2-3 Embedded scanner and Host interconnection via RS-232
D -
D +
D +
D -
E m bedded
scanner
H ost
Figure 2-4 Embedded scanner and host interconnection via USB
Summary of Contents for ES922
Page 1: ...ES922 Embedded Image Scanner User Manual Version ES922_UM_EN_V1 1 3...
Page 2: ......
Page 4: ......
Page 10: ...4 2 Getting started 2 1 Parts of scanner Figure 2 1 Appearance Beeper Trigger CMOS sensor...
Page 14: ...8 2 4 Installation guide 2 4 1 Mounting Units mm...
Page 98: ...92 8014H4142 Testing barcode...