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為了(le)便于(yu)配(pei)有(you)不(bu)(bu)(bu)同標(biao)準串(chuan)(chuan)行(xing)接(jie)口(kou)的(de)(de)(de)計算機(ji)、外(wai)部(bu)設(she)備或智能(neng)儀器之(zhi)間進行(xing)遠程(cheng)數據通信(xin)，必須進行(xing)標(biao)準串(chuan)(chuan)行(xing)接(jie)口(kou)的(de)(de)(de)相互轉換(huan)(huan)。轉換(huan)(huan)器兼容(rong)RS-232、RS-485標(biao)準，能(neng)夠(gou)將單端的(de)(de)(de)RS-232信(xin)號(hao)轉換(huan)(huan)為平衡(heng)差分的(de)(de)(de)RS-485信(xin)號(hao)，內(nei)置快速的(de)(de)(de)瞬態電壓抑制保(bao)護器，此保(bao)護器被設(she)計用(yong)來(lai)保(bao)護RS-485接(jie)口(kou)，采(cai)用(yong)當今先(xian)進的(de)(de)(de)TVS（TRANSIENT VOLTAGE SUPPRESSOR）轉換(huan)(huan)器可將RS-485通信(xin)距離延長至1.2公(gong)里, 無需外(wai)接(jie)電源(yuan)采(cai)用(yong)獨(du)特的(de)(de)(de)“RS-232電荷泵”驅動， 不(bu)(bu)(bu)需要靠初(chu)始化(hua)RS-232串(chuan)(chuan)口(kou)可得到(dao)電源(yuan)， 內(nei)部(bu)帶有(you)零延時自(zi)動收(shou)(shou)(shou)發轉換(huan)(huan)，獨(du)有(you)的(de)(de)(de)I/O電路(lu)自(zi)動控制數據流方(fang)向， 而不(bu)(bu)(bu)需任(ren)何(he)握(wo)手信(xin)號(hao)(如RTS、DTR等)，從而保(bao)證了(le)在RS-232方(fang)式(shi)下(xia)編(bian)寫(xie)的(de)(de)(de)程(cheng)序無需更改便可在RS-232方(fang)式(shi)下(xia)運行(xing)，確(que)保(bao)適合現有(you)的(de)(de)(de)操(cao)作軟件(jian)(jian)和接(jie)口(kou)硬件(jian)(jian)，轉換(huan)(huan)器傳輸速率300-115.2Kbps. 都可以應用(yong)于(yu)主(zhu)控機(ji)之(zhi)間、主(zhu)控機(ji)與單片機(ji)或外(wai)設(she)之(zhi)間構成(cheng)點(dian)到(dao)點(dian)、點(dian)到(dao)多點(dian)遠程(cheng)多機(ji)通信(xin)網絡, 實現多機(ji)應答通信(xin). 廣泛(fan)地應用(yong)于(yu)工業(ye)自(zi)動化(hua)控制系(xi)(xi)(xi)統(tong)、一(yi)卡通、門(men)禁系(xi)(xi)(xi)統(tong)、消費(fei)系(xi)(xi)(xi)統(tong)、考勤系(xi)(xi)(xi)統(tong)、停車(che)場系(xi)(xi)(xi)統(tong)、自(zi)助銀行(xing)系(xi)(xi)(xi)統(tong)、公(gong)共汽車(che)收(shou)(shou)(shou)費(fei)系(xi)(xi)(xi)統(tong)、公(gong)路(lu)收(shou)(shou)(shou)費(fei)站系(xi)(xi)(xi)統(tong)等等。