Seyer, Martin D. <br/><br/>
RS-232 made easy :  connecting computers, printers, terminals and modems / 
Martin D. Seyer. 
 - Englewood Cliffs :  Prentice-Hall,  1984. 
 - XIII, 214 s. ;  23 cm. 
<br/><br/><label>ISBN: </label>0137834721 0137834802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interfejsy (informatyka)--normy--Stany Zjednoczone.