Supero SC836E1-R800B, Руководство пользователя

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2-3
C hapt er 2 : S y s t e m S af e ty
l Plac e th e cha ssis top cov er an d any s y s t e m compon e nt s that hav e b ee n
re mov ed away f r om th e s y s t e m o r on a tabl e s o that th e y won ’ t acc ide ntally
b e s t e pp ed on .
l Wh i l e wo r k i ng on th e s y s t e m, d o not w e a r loo se cloth i ng s uch a s n e ckt ies
an d unbutton ed s h ir t s l ee v es , wh i ch can com e i nto contact w i th e l e ct ri cal
c ir cu i t s o r b e pull ed i nto a cool i ng fan .
l Re mov e any j e w e l r y o r m e tal obj e ct s f r om you r bo d y, wh i ch a re e xc e ll e nt
m e tal con d ucto rs that can c re at e s ho r t c ir cu i t s an d ha r m you i f th e y com e
i nto contact w i th p ri nt ed c ir cu i t boa rds o r a re a s wh ere pow er is p rese nt .
l A ft er acc essi ng th e i n side of th e s y s t e m, clo se th e s y s t e m back up an d
se cu re i t to th e r ack un i t w i th th e re t e nt i on s c re w s aft er e n s u ri ng that all
conn e ct i on s hav e b ee n ma de.
2-6 System Safety
E l e ct r o s tat i c dis cha r g e (ES D ) is g e n er at ed by two obj e ct s w i th di ff ere nt e l e ct ri cal
cha r g es com i ng i nto contact w i th e ach oth er. A n e l e ct ri cal dis cha r g e is c re at ed to
n e ut r al i z e th is di ff ere nc e , wh i ch can d amag e e l e ct r on i c compon e nt s an d p ri nt ed
c ir cu i t boa rds. T h e follow i ng m e a s u res a re g e n er ally s uffic ie nt to n e ut r al i z e th is
di ff ere nc e b e fo re contact is ma de to p r ot e ct you r e qu i pm e nt f r om ES D:
l Do not u se mat s desi gn ed to de c re a se e l e ct r o s tat i c dis cha r g e a s p r ot e ct i on
f r om e l e ct ri cal s hock . I n s t e a d , u se r ubb er mat s that hav e b ee n s p e c i fically
desi gn ed a s e l e ct ri cal i n s ulato rs.
l Use a g r oun ded w ris t s t r ap desi gn ed to p re v e nt s tat i c dis cha r g e.
l K ee p all compon e nt s an d p ri nt ed c ir cu i t boa rds ( P CBs) i n th eir ant is tat i c
bag s unt i l re a d y fo r u se.
l T ouch a g r oun ded m e tal obj e ct b e fo re re mov i ng any boa rd f r om i t s ant i-
s tat i c bag .
l Do not l e t compon e nt s o r P CBs com e i nto contact w i th you r cloth i ng, wh i ch
may re ta i n a cha r g e e v e n i f you a re w e a ri ng a w ris t s t r ap .
l H an d l e a boa rd by i t s ed g es only; d o not touch i t s compon e nt s , p eri ph er al
ch i p s , m e mo r y mo d ul es o r contact s.