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Cabling Diagrams for Multi-drop Configurations

The following diagrams illustrate multi-drop configurations using the RS-232/RS-422 Converter (IC690ACC900) or the RS-422/RS-232 Isolated Repeater/Converter (IC655CCM590)


Diagram	Converter	Last Station:	Cables
I	IC690ACC900	Series 90 RS-485 CPU port (not IC697CPU771 or IC697CPU731)	A or B, K
J	IC690ACC900	Series 90 RS-485 CPU port (IC697CPU771 or IC697CPU731	A or B, L
K	IC690ACC900	Series 90 RS-485 CMM port	A or B, M
L	IC655CCM590	Series 90 RS-485 CPU port (not IC697CPU771 or IC697CPU731)	A or B, N
M	IC655CCM590	Series 90 RS-485 CPU port (IC697CPU771 or IC697CPU731)	A or B, O
N	IC655CCM590	Series 90 RS-485 CMM port	A or B, P