● Poob txiag
Nws yog qhov poob uas tshwm sim thaum lub teeb nkag mus rau lwm qhov kho qhov muag los ntawm ib qho kho qhov muag thaum txuas qhov kho qhov muag rau ib qho kho qhov muag, thiab qhia tawm los ntawm cov qauv hauv qab no.
= -10log (P2 / P1) [dB]
P1: Lub hwj chim kho qhov muag tam sim ntawd nyob rau hauv pem hauv ntej ntawm cov xov hluav taws xob
P2: Lub zog hluav taws xob tau pom nyob ntawm cov hlau txuas
Qhov loj dua tus nqi, qhov tsawg dua qhov pom kev siv zog lub zog, thiab yog li ntawd, lub suab nrov me dua.
Xav txog kev ploj
Nws yog qhov piv ntawm qhov teeb meem ntawm lub teeb hluav taws xob rau lub kho qhov muag txuas thiab lub teeb hluav taws xob tau xav txog ntawm cov xov hluav taws xob tau qhia nyob hauv tus lej, qhia los ntawm cov qauv hauv qab no.
α=-10log (P3 / P1) [dB]
P1: Lub hwj chim kho qhov muag tam sim ntawd nyob rau hauv pem hauv ntej ntawm cov xov hluav taws xob
P3: Reflected optical zog ntawm qhov hluav taws xob
Qhov loj dua tus nqi, qhov tsawg dua qhov pom kev siv zog lub zog, thiab yog li ntawd, lub suab nrov me dua.
Inding Sib tsoo txoj hauv kev ntawm ferrule
Txoj kev sib tsoo ntawm cov ferrule thiab cov kav hlau txuas ntawm cov txuas txuas yog qhov sib txawv.
Cov kev cai muaj feem rau kev kaw qhov muag / lub thawv hlws ris thiab lub thawv splice
Ust Dustproof thiab waterproof yam ntxwv
Yuav tsum tau muaj kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv sab nrauv / sab nrauv lub thawv thiab cov thawv splice yuav tsum muaj kev tiv thaiv nyob rau sab nrauv cov khoom siv sab nraud thiab tiv thaiv kev tiv thaiv dej (feem ntau sab nraum zoov). Kev faib tawm kev tiv thaiv yog qhia los ntawm tus IP code tau teev nyob hauv [JIS C 0920].
