AXELSON, JAN SERIAL PORT COMPLETE : PROGRAMMING AND CIRCUITS FOR RS - 232 AND RS - 485 LINKS AND NETWORKS. - with C D 1998 - MUMBAI PENRAM INTERNATIONAL PUB. PVT LTD. - 306 Subjects--Topical Terms: SERIAL PORT Dewey Class. No.: 621.381 32.381 32 / AXE