ProSoft Technology PC56-OPC - Manual (Page 24)

PC56 ♦ ControlLogix Platform Reference
In-Rack Industrial PC User Manual
Page 24 of 34
ProSoft Technology, Inc.
November 18, 2009
RS-232: Null Modem Connection (No Hardware Handshaking)
This type of connection can be used to connect the module to a computer or field
device communication port.
Note: If the port is configured with the "Use CTS Line" set to 'Y', then a jumper is required between
the RTS and the CTS line on the module connection.
6.2.3 RS-422