1. Muaj peev xwm tiv taus huab cua hnyav heev (cua hlob, nag xob nag cua, thiab lwm yam).
2. Muaj peev xwm hloov kho qhov kub thiab txias tau zoo thiab muaj cov coefficient me me ntawm kev nthuav dav kom tau raws li qhov xav tau ntawm cov xwm txheej ib puag ncig hnyav.
3. Lub cable optical muaj lub cheeb me me thiab tsis hnyav, uas txo qhov cuam tshuam ntawm dej khov thiab cua hlob rau ntawm lub cable optical, thiab tseem txo qhov hnyav ntawm lub zog fais fab thiab ua kom siv cov peev txheej ntawm lub pej thuam ntau tshaj plaws.
4. Lub ADSS optical cable tsis tas yuav txuas nrog lub hwj chim lossis lub backline. Nws tuaj yeem ntsia tau rau ntawm lub pej thuam xwb thiab tuaj yeem tsim tau yam tsis muaj hluav taws xob tawm.
5. Kev ua tau zoo ntawm cov xov hluav taws xob kho qhov muag nyob rau hauv lub zog hluav taws xob siab heev thiab yuav tsis raug cuam tshuam los ntawm hluav taws xob.
6. Nws tsis muaj feem cuam tshuam nrog txoj kab hluav taws xob thiab yooj yim rau kev tswj hwm.
7. Nws yog ib txoj hlua kho qhov muag uas txhawb nqa nws tus kheej thiab tsis xav tau cov hlua dai xws li cov hlua poob thaum lub sijhawm teeb tsa.
Lub sijhawm tshaj tawm: Lub Kaum Hli-22-2022
