LXE vx3x 참조 가이드
34
External Connectors
VX3X Reference Guide
E-EQ-VX3XRG-D
RS-232 Connector (COM1 or COM3)
When present, the serial connector, labeled “RS-232”, (configured as COM3) is industry-standard
RS-232. The connector includes a PC/AT standard 9–pin “D” male connector. By default, Pin 9
to provide RI. Pin 9 may also be configured to supply +5 VDC at 0.4A (max) for an external bar
code scanner. Refer to Chapter 4, “Scanner”, section titled “Serial Port Pin 9” for more
information on configuring Pin 9.
RS-232. The connector includes a PC/AT standard 9–pin “D” male connector. By default, Pin 9
to provide RI. Pin 9 may also be configured to supply +5 VDC at 0.4A (max) for an external bar
code scanner. Refer to Chapter 4, “Scanner”, section titled “Serial Port Pin 9” for more
information on configuring Pin 9.
If Pin 9 is powered off, please see “Technical Specifications – Connection Cable” in the following
section for information on using a serial cable.
section for information on using a serial cable.
1
5
9
6
Figure 2-4 Scanner Serial Connector (COM3)
Note:
Power the VX3X off before attaching a cable or device to the COM1 or COM3 serial
port.
port.
Pinout
Pin Signal Description
1
DCD
Data Carrier Detect – Input
2
RXD
Receive Data – Input
3
TXD
Transmit Data – Output
4
DTR
Data Terminal Ready – Output
5 GND
Signal/Power
Ground
6
DSR
Data Set Ready – Input
7
RTS
Request to Send – Output
8
CTS
Clear to Send – Input
9 +5VDC
or
RI
Barcode Scanner Power – 400mA max (Default)
or
Ring Indicator – Input
or
Ring Indicator – Input
Shell CGND Chassis
Ground