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^ll 3 tr cAD/cAM ^l ,-'J ol i s E 9ll Gl 37 rutnrtrr I]^.Hl-E t-ll\JlLl r--loo- DataBit:BBit EfL -LL TBit+Parity Bit Stop Bit : 1,1 ,5,2 Ll3 Start Bit r= 1-19 dl=71 "J^lel :d^l (4) RS-232C zl €C+tlilg "J+"J RS-232C- ElA(Electronic Industries Association : ul:t d.z}* B E q)7I RS23 2BE zll^d *-o -a tqOq'JoI B-S, tqst"Jql 711 e +"J6J tr4 oltrl' RS-232C= ls [m] "l']]g AAq e.6 [Kbps] H+ *g Hl EgE 7-l 4"J "ll ^t+6]q RS-4229 I [Mbps] t]4ql^l 100 [m] ol^JE 7-l 4ql ^]+6J+' ?t) +4 aE zl tre "lq 11 24 rllolrl g l.+61- ullolrl rl ul'J *H1(DTE)+ uilolrl Eal + ul(DCE) ^Iol E oJ rl ril ol a41 ql6J zl q!,rlal-9 tre + 4 ol 4. DTE (Data circuit Termination Equipment) : r] ul 'J, zJ f rl DCE (Data Terminal EquiPment) MODEM (MOdulation/DEModulation) RS-232C g.= RS : Recommended 232 : g.= ^l R Ha C : =l*"I E-E€ t]l d Ha .I]Ell . +E : :Ealts-a +71 (LI) RS-232C4 C+ ,J^1 RS-232C= ^}€-61- e +- H}ol? *44 ul5-zlzl *B "l olg "Jol-Fol oI +4. @ Parity Check Bit EllolEl = d+-J "fl r.llolrl z| A +6IZl 5!-L]] 7l=zl zj.rl-alE zl ql ol El =lt}g ql lBit= check*-o -? Pzla}€ +d+ql^l 9l-2, trlg+ 7J+ ,tl- *H ol.*. 6J TllE E +oJ6IE+ all 9l _ o Start Bit : 1