Izibane zendlela zelanga zisebenza ngeephaneli zelanga, ezifakelwa ngokukhawuleza kwaye kulula ukuzihambisa. Zisebenza kwiindawo ezisandula ukwakhiwa ezinendawo enkulu yokuhamba kwezithuthi kunye nesidingo esingxamisekileyo somyalelo wesignali entsha yendlela, kwaye zinokuhlangabezana neemfuno zokucima kombane okungxamisekileyo, ukuthintelwa kombane kunye nezinye iimeko ezingxamisekileyo. Oku kulandelayo kuya kuchaza umgaqo wokusebenza kwezibane zendlela zelanga.
Iphaneli yelanga ivelisa amandla ombane ngokukhanya kwelanga, kwaye ibhetri itshajwa yisilawuli. Isilawuli sinemisebenzi yokunxibelelana okuchasene nokujika, ukutshaja okuchasene nokujika, ukuchaja okungaphezulu, ukuchaja okugqithisileyo, ukhuseleko oluzenzekelayo kunye nolwe-short-circuit, kwaye sineempawu zokuchongwa ngokuzenzekelayo kwemini nobusuku, ukufunyanwa kwe-voltage ngokuzenzekelayo, ukhuseleko lwebhetri ngokuzenzekelayo, ukufakwa lula, akukho ungcoliseko, njl. Ibhetri ikhupha i-annunciator, i-transmitter, i-receiver kunye nesibane sesignali ngesilawuli.
Emva kokuba imo emiselweyo ye-annunciator ilungisiwe, isignali evelisiweyo ithunyelwa kwi-transmitter. Isignali engenazingcingo eveliswa yi-transmitter idluliselwa ngamaxesha athile. Ubuninzi bayo bokudlulisa kunye nobukhali bayo buhambelana nemigaqo efanelekileyo yeKhomishini yoLawulo lweRadio yeSizwe, kwaye ayizukuphazamisana nezixhobo ezineentambo kunye nerediyo ezijikeleze indawo yokusetyenziswa. Kwangaxeshanye, iqinisekisa ukuba isignali edluliselweyo inamandla okumelana nokuphazamiseka kwamandla emagnethi aqinileyo (imigca yokudlulisa ene-voltage ephezulu, iintlantsi zeemoto). Emva kokufumana isignali yokudlulisa engenazingcingo, umamkeli ulawula umthombo wokukhanya kwesibane sesignali ukuze aqonde ukuba izibane ezibomvu, ezimthubi neziluhlaza zisebenza ngokwemo emiselweyo. Xa isignali yokudlulisa engenazingcingo ingaqhelekanga, umsebenzi otyheli wokutshaya unokufezekiswa.
Imo yokudlulisa engenazingcingo iyasetyenziswa. Kwizibane ezine zesignali kwindawo nganye yokunqumlana, kufuneka kubekwe i-annunciator kunye ne-transmitter kuphela kwipali yokukhanya yesibane esinye sesignali. Xa i-annunciator yesibane esinye sesignali ithumela isignali engenazingcingo, abamkeli kwizibane ezine zesignali kwindawo yokunqumlana banokufumana isignali baze benze utshintsho olufanelekileyo ngokwemo emiselweyo. Ke ngoko, akukho mfuneko yokubeka iintambo phakathi kweepali zokukhanya.
Ixesha lokuthumela: Julayi-06-2022
