RS-232


p , p RS-232 p p p , p p p RS-232 ( - -2) . p , p p p p pp.

p p p, p ppp p, p RS-232. p p p 25 . ( p IBM PC AT 9- p). , p p p , p p RS-232. p p , p p p ; p p p , p, p RS-232 p p RS-232 p p RS-232 . p RS-232 :

렠 ppࠠ p p

------ ------------ ---------------

p RTS 4

蠠 CTS 5

p ⠠ DSR 6

p p DTR 20

p TxD 2

p RxD 3