Couplers & I/O modules: XTR Item no. 750-652/040-000RS-232/485 Serial Interface; Extreme1 of 4Color: Item no. 750-652/040-000 RS-232/485 Serial Interface; ExtremePlease wait ...Add to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-652/040-000 RS-232/485 Serial Interface; ExtremePlease wait ...Add to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure