Rockwell Automation 2755 AtomScan Bar Code Reader - Manual (Page 96)

6–11 Hardware Operation
Publication 2755-6.9
You can only use Series B or higher of the reader when using an
auxiliary monitor. Refer to the drawing below for auxiliary port
connections.
Reader Interface Box
Host
Auxiliary Monitor
TXD 2
RXD 3
AUX TXD 4
AUX RXD 5
GND 7
TXD
2
RXD
3
GND
7
TXD 2
RXD 3
GND 7
Scanner
Port
RS-232
Port
The monitor can be configured to operate in one of three modes.
The modes are:
•
transparent
•
non–buffered full-duplex
•
non-buffered half-duplex
Transparent mode can work with all protocols. Full-duplex and
half-duplex modes can work with all protocols except polled
protocols.