1769-L32E, 1769-L35E CompactLogix Controller
15
Publication
1769-IN020-C-EN-P - July 2007
Make RS-232 Connections to the Controller
Connect the 9-pin female end of the serial cable to the serial port of
the controller.
RS-232 Cable
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.
Be sure that power is removed or the area is nonhazardous before proceeding.
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1 CD
2 RDX
3 TXD
4 DTR
COMMON
6 DSR
7 RTS
8 CTS
9
1 CD
1747-CP3 or 1756-CP3
9-pin, Male D-shell Straight
Cable End
9-pin, Female D-shell
Right-angle Cable End
Straight Cable End
Right-angle Cable End
This cable must be shielded and tied to
the connector housing.