Seyer, Martin D. <br/><br/>
RS-232 Made Easy :  Connecting, Computers, Printers, Terminals, and Moderms / 
Martin D. Seyer 
 - 2a ed. 
 - New Jersey :  Prentice-Hall,  1991 
 - xii, 436 p. :  tbs. ;  23 cm. 
<br/><br/><label>ISBN: </label>0137498705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interfases de computadora---Normas---Estados Unidos
<br/><br/><label>LC Class. No.: </label>TK 7887.5  / S49.1991