The MAPARCGISCONNECTORCSOPTION command allows you to specify the coordinate system to use when importing data from ArcGIS.
The 1 Default option indicates that the LL84 coordinate system is used. When you find the data from ArcGIS is not correctly located after adding to Map, select 2 Drawing option to use the current drawing’s coordinate system or 3 CS Code to specify another coordinate system and import the data again.