Axelson, Jan <br/><br/>
Serial port complete :  programming and circuits for RS-232 and RS-485 links and networks / 
Jan Axelson 
 - Madison, WI:  Lakeview Research,  2000 
 - xiv, 306 p. :  ill. ;  26 cm. +  1 computer disk 
<br/><br/> Accompanying disk : DSK 065  Includes index 
<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)