Couplers & I/O modules: Item no. 753-1652RS-232/485 Serial Interface1 of 4Picture differs from the item. RS-232/485 Serial InterfacePlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetCompareAdd to Watchlist RS-232/485 Serial InterfacePlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetCompareAdd to Watchlist