Db9 To Rj45 Adaptor (Cable 14); Rs-485 - ProSoft Technology inRAx MVI56-CAS User Manual

MVI56-CAS ♦ ControlLogix Platform
Teledyne CA Slave Module

5.3.4 RS-485

The RS-485 interface requires a single two or three wire cable. The Common
connection is optional and dependent on the RS-485 network. The cable required
for this interface is shown below:
RS-485 and RS-422 Tip
If communication in the RS-422/RS-485 mode does not work at first, despite all
attempts, try switching termination polarities. Some manufacturers interpret +/-
and A/B polarities differently.

5.3.5 DB9 to RJ45 Adaptor (Cable 14)

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Reference
ProSoft Technology, Inc.
December 26, 2007