Hauv thawj phau Vajlugkub, lawd thaum peb tham txog cov uas coj nrhiav, lossis tej dabtsis nrhiav, lossis thawj nrhiav, lossis thawj nrhiav phau Vajlugkub. Lawv Vertiv R48-1800A yog ib yam dabtsi. Yog li ntawd, peb yuav tsum ua li cas peb thiaj nrhiav kev loj. The Vertiv R48-1800A yog ib phau uas tsim nyiaj nrhiav (AC) ( DC) yog ib yam dabtsi tswj