Axelson, Jan Serial Port Complete Programming and circuits for RS-232 and RS-485 links and networks - 1st - Mumbai Penram International 2007 - 308 p. | Binding - Paperback | 24*18.5 ISBN: 81-87972-03-3 Subjects--Topical Terms: Computer Engineering Dewey Class. No.: 4.620218 / AXE