Rockwell Automation 1756-Lx_Mx ControlLogix Controller and Memory Board Installation Instructions - Manuel (Page 31)

ControlLogix® Controller and Memory Board 31
Publication 1756-IN101J-EN-P - November 2004
Connect a Serial Cable
Use the serial port for RS-232 communication.
WARNING
If you connect or disconnect the serial cable with power
applied to this module or the serial device on the other
end of the cable, an electrical arc can occur. This could
cause an explosion in hazardous location installations.
Make sure that power is removed or the area is
nonhazardous before proceeding.
RS232
BATTERY
PORT
1-DCD
2-RXD
4-DTR
3-TXD
5-GND
DSR-6
CTS-8
RTS-7
N/C-9
1
2
BATTERY
DATE
UP
COMPACT
FLASH
2
To
Insert 1
To Eject
1 + 2 2
1
1