Zaj. Cov xauv xauv tsis raug yuav tsum tau siv rau ntawm lub qhov rooj stairwell yuav tsum tau rov nkagthiab lwm lub qhov rooj uas yuav tsum tso cai pub dawb thaum ceeb toom hluav taws lossis lub zog tsis ua haujlwm. Kev siv hluav taws xob tsis zoo tsis tuaj yeem siv rau kev nkag mus rau stairwell vim tias qhov rooj hluav taws yuav tsum tsis muaj kev ruaj ntseg hluav taws xob rau qhov zoo latching.
Thaum twg siv tsis ruaj ntseg lossis tsis ruaj ntseg?
Ob nqe lus muaj kev nyab xeeb ntawm lub neej thiab kev nyab xeeb cuam tshuam. Thaum cov khoom lag luam tsis muaj kev nyab xeeb tau xauv thaum lub hwj chim raug tshem tawm(piv txwv li lub zog siv los kaw lub qhov rooj), cov khoom tsis ruaj ntseg raug kaw thaum lub hwj chim raug tshem tawm (piv txwv li lub zog siv los qhib lub qhov rooj), qhov rooj).
Puas Fail ruaj ntseg ib txwm qhib?
Tsis muaj kev nyab xeeb ua haujlwm zoo li tau piav qhia yog ib qho cuab yeej qhib yuav tso lub qhov rooj thaum lub zog poob. Fail Secure yog ib qho khoom kaw ib txwmthiab ua kom lub qhov rooj kaw kom txog thaum tau txais fais fab.
Qhov xwm txheej tsis zoo yog dab tsi?
Fail-safe txhais tau tias ib lub cuab yeej yuav tsis ua rau muaj kev phom sij rau lub neej lossis khoom thaum nws ua tsis tiav. Fail-secure, tseem hu ua tsis-kaw, txhais tau hais tias kev nkag lossis cov ntaub ntawv yuav tsis poob rau hauv tes tsis raug hauv kev ruaj ntseg tsis ua haujlwm. Qee lub sij hawm cov txheej txheem qhia txog kev daws teeb meem.
Dab tsi yog Fail ruaj ntseg?
Kev ua tsis tiav rau hom kev nyab xeeb txhais tau tias daim ntawv thov tsis tau nthuav tawm cov ntaub ntawv uas yuav tsis raug nthuav tawm ib txwm, cov ntaub ntawv tseem tsis tuaj yeem cuam tshuam nrog, thiab lwm yam. Lossis koj tuaj yeem ua tsis tau zoo xws li daim ntawv thov nthuav tawm ntau dua li qhov yuav tsum tau lossis nws cov ntaub ntawv tuaj yeem cuam tshuam nrog (lossis phem dua).
