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Chassis Ma nu a l
6 - 2
Rack Precautions
- E n s u re t ha t t he l e v e l i ng j a ck s on t he bottom of t he ra ck are fully e xt e nd e d to
t he fl oo r w i t h t he full w ei g h t of t he ra ck res t i ng on t he m .
- In si ngl e ra ck i n s t a ll a t i on, s t a b i l i z ers sh ould b e a tt a c he d to t he ra ck .
- In mult i pl e ra ck i n s t a ll a t i on s , t he ra ck s sh ould b e coupl e d tog e t her.
- A lw a y s m a k e s u re t he ra ck is s t a bl e b e fo re e xt e nd i ng a compon e nt f r om t he
ra ck .
- You sh ould e xt e nd only on e compon e nt a t a t i m e - e xt e nd i ng two o r mo re
si mult a n e ou s ly m a y c a u se t he ra ck to b e com e un s t a bl e.
General Server Precautions
- Re v ie w t he e l e ct ri c a l a nd g e n era l sa f e ty p re c a ut i on s t ha t c a m e w i t h t he compo -
n e nt s you are a dd i ng to you r c hassis.
- D e t er m i n e t he pl a c e m e nt of ea c h compon e nt i n t he ra ck before you i n s t a ll t he
rai l s.
-
In s t a ll t he hea v ies t ser v er compon e nt s on t he bottom of t he ra ck fi rs t, a nd t he n
wo r k up .
- Use a re gul a t i ng un i nt err upt i bl e pow er s upply (U P S) to p r ot e ct t he ser v er f r om
pow er s u r g es , volt a g e s p i k es a nd to k ee p you r s y s t e m op era t i ng i n c ase of a
pow er f ai lu re.
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A llow t he h ot plug har d d ri v es a nd pow er s upply modul es to cool b e fo re touc h-
i ng t he m .
-
A lw a y s k ee p t he ra ck' s f r ont doo r a nd a ll p a n e l s a nd compon e nt s on t he ser v ers
clo se d w he n not ser v i c i ng to m ai nt ai n p r op er cool i ng .
Rack Mounting Considerations
Ambient Operating Temperature
If i n s t a ll e d i n a clo se d o r mult i- un i t ra ck asse mbly, t he a mb ie nt op era t i ng t e mp era-
tu re of t he ra ck e nv ir onm e nt m a y b e g rea t er t ha n t he a mb ie nt t e mp era tu re of t he
r oom . There fo re , con si d era t i on sh ould b e g i v e n to i n s t a ll i ng t he e qu i pm e nt i n a n
e nv ir onm e nt comp a t i bl e w i t h t he m a nuf a ctu rer’s m a x i mum ra t e d a mb ie nt t e mp era-
tu re (T m ra).
Warnings and Precautions!