Chaparral K5312/K7313 - Manual (Page 27)

Hardware Installation
2-3
To connect to the RS-232 port:
1
Be sure the enclosure power is turned off.
2
Using a straight-through serial cable, connect one end of the cable to the serial
port on the enclosure.
3
Connect the other end of the serial cable to the serial port on the computer that
will monitor and configure the controller.
4
Turn power on and begin configuration.
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