ProSoft Technology MVI69E-LDM - Manual (Page 94)

Contents MVI69E-LDM ♦ "C" Programmable
Developer's Manual Linux Application Development Module
Page 94 of 130 ProSoft Technology, Inc.
August 21, 2014
6.3 RS-422
The RS-422 interface requires a single four or five wire cable. The Common connection is
optional, depending on the RS-422 network devices used. The cable required for this
interface is shown below:
6.4 RS-485 Application Port(s)
The RS-485 interface requires a single two or three wire cable. The Common connection is
optional, depending on the RS-485 network devices used. The cable required for this
interface is shown below: