2Pcs SN75LBC173D SOP-16 RS-422/RS-485 Interface IC Quad Diff Line Rec

2Pcs SN75ALS193NE4 RS-422 Interface IC Quad Diff Line

2Pcs SN65LBC179AD RS-485 Interface IC LP Diff Pairs

1Pcs SN65LBC172N RS-422/RS-485 Interface IC Quad LP Diff

2Pcs AM26C32MDREP SOP-16 RS-422 Interface IC EP Quad Diff Line Receiver

2Pcs SN65C1168ENS RS-422 Interface IC Dual Diff Drivers & Receivers

2Pcs SN75ALS180D SOIC-14 RS-422/RS-485 Interface IC Diff and Rec Pair

2Pcs SN75LBC174DWR SOIC-20 RS-485 Interface IC Quad Low-Pwr Diff Line Driver