LXE vx3x Verweisanleitung

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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. 
If Pin 9 is powered off, please see “Technical Specifications – Connection Cable” in the following 
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. 
Pinout 
Pin Signal Description 
DCD 
Data Carrier Detect – Input 
RXD 
Receive Data – Input 
TXD 
Transmit Data – Output 
DTR 
Data Terminal Ready – Output 
5 GND 
Signal/Power 
Ground 
DSR 
Data Set Ready – Input 
RTS 
Request to Send – Output 
CTS 
Clear to Send – Input 
9 +5VDC 
or 
RI 
Barcode Scanner Power – 400mA max (Default) 
 or 
Ring Indicator – Input 
Shell CGND Chassis 
Ground