Rs232 Interface - Datalogic DS8100 Installation Manual

DATALOGIC

RS232 Interface

The main serial interface is used in this case for point to point connections; it
handles communication with the Host computer and allows both transmission
of code data and configuring the scanner.
The following pins of the Main Interface connector (Figure A,
for RS232 interface connection:
Pin Name
2 TXD
3 RXD
5 GND
7 CTS
8 RTS
DS8100
The RTS and CTS signals control data transmission and synchronize the
connected devices.
If the RTS/CTS hardware protocol is enabled, the DS8100 activates the RTS
output to indicate a message can be transmitted. The receiving unit must
activate the CTS input to enable the transmission.
Function
transmitted data
received data
ground
clear to send
request to send
USER INTERFACE
2
TXD
3
RXD
7
CTS
8
RTS
5
GND
Figure 2.10 - RS232 connections
Installation — DS8100 Serial Interface – 2.11
DS8100
) are used
15
RXD
TXD
GND