5
2-2 Electrical interface/Pin assignment of cable connector
The embedded scanner has a RJ-45 cable connector. Table 2-1 lists the pin assignments of the
embedded scanner.
Figure 2-2 Electrical interface/Pin assignment
Table 2-1 Electrical interface/Pin assignment
Pin
No.
RS-232
USB
Descriptions
Pin/Signal Name
Type
Pin/Signal Name
Type
1
Power (5V)
Power
Power (5V)
Power
Power: +5 VDC
2
NC
-
NC
-
NC: No connection
3
Ground
Power
Ground
Power
Ground: 0V reference
4
3.3V (for interface
auto selection)
Input
Ground (for interface
auto selection)
Input
RS-232: Logic high level, 3.3V
USB: Logic low level, 0V reference
5
TXD
Output
NC
-
RS-232: Serial data transmit output port
(Transmitted data)
6
RXD
Input
NC
-
RS-232: Serial data receive input port
(Received data)
7
NC
-
NC
-
NC: No connection
8
TRIG
Input
TRIG
Input
Trigger.
Logic low level (activity): 0V
referenceLogic high level: 3.3V
9
CTS
Input
D-
-
RS-232: Handshaking line
(Clear-to-send).
USB: Negative differential line.
10
RTS
Output
D+
-
RS-232: Handshaking line
(Request-to-send).
USB: Positive differential line.
Note: Voltage level of all RS-232 Pin-outs (RXD, TXD, CTS and RTS) is 0V for logic low level and 3.3V for logic high
level.
PIN1
PIN10
Cable connector
PIN1
PIN10
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...
