Image may not reflect selected features ABB Communication Module, RS485 SKU: 2015193-006 Please Login to See Price Quantity discounts available QuantityPrice Quantity -+ Description RS485 Communication Module with Protective Coating. MOD I, Standard Pick for 6400/6700 Electronic Boards. Description Back DescriptionRS485 Communication Module with Protective Coating. MOD I, Standard Pick for 6400/6700 Electronic Boards.