Seyer, Martin D  <br/><br/>
RS-232 made easy:  connecting computers, printers, terminals, and modems / 
by Martin D. Seyer. 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  1984. 
 - 214p.:   ill.;   23cm. 
<br/><br/>Includes index. Bibliography: p.209-210. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer interfaces--Standards--United States.