nal (NT Link Interface) through an RS-232C Adapter. RS-232C OMRON Programmable Terminal Adapter CPM1A CPU Unit RS-232C Cable WX2Z-200T (2 m) WX2Z-500T (5 m) Name Usage Model number RS-232C Adapter Converts to peripheral port-level CPM1-CIF01 communications. 1-2-6 CompoBus/S I/O Link Connections