Axelson, Jan <br/><br/>
Serial port complete    programming and circuits for RS-232 and RS-485 links and networks /   [electronic resource] : 
Jan Axelson 
 - Madison, WI:   Lakeview Research,   2000 
 - 1 computer disk; 13 cm. 
<br/><br/> Accompanies book of same title and by same author : TK7887.5 .A93 2000 
<br/><br/><label>ISBN: </label>0965081923 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer interfaces--Standards--United States<br/>Parallel programming (Computer science)<br/>Ports (Electronic computer system)