Scanner port – Rockwell Automation 2755 AtomScan Bar Code Reader User Manual
Page 110

Cable Pinouts
B–3
Publication 2755-6.9
Scanner Port
5
1
10
6
11
15
Pin
Signal
Function
1
Power
Provides power to the reader.
2
TXD
Cable pin transmits data to host device.
3
RCD
Cable pin receives data from host device.
4
GND
Ground
5
Not Used
Pin not used.
6
RTS
Host is requesting data from the reader.
7
Output
TTL relay output
8
Input
When voltage is applied to the pin, the reader is set to
default settings.
9
Input
Package detect. When voltage is applied to the pin, the
reader turns on.
10
CTS
The reader is asking for data from the host.
11
Not Used
Pin not used.
12
Input
Pin allows you to use the Auto–Load feature.
13
GND
Ground
14
Output
TTL relay output
15
Not Used
Pin not used.
RS-485/422 Port
Use an Alpha 1606 cable for this port.
6
1
Pin
Signal
Function
1
GND
Chassis ground
2
RXB+
Reader receives data from the host device.
3
RXA–
Reader receives data from the host device.
4
TXB+
Reader transmits data to host device.
5
TXA–
Reader transmits data to host device.
6
GND
Chassis ground