Rockwell Automation 1756-Lx_Mx ControlLogix Controller and Memory Board Installation Instructions - Manual (Page 34)

34 ControlLogix Controller and Memory Board
Publication 1756-IN101L-EN-P - June 2008
Connecting 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