SC811 C
ha
ssis M
anual
2-2
2-4 Electrical Safety Precautions
Ba
si
c
e
l
e
ct
ri
cal
s
af
e
ty
p
re
caut
i
on
s s
hould
b
e
follow
e
d
to
p
r
ot
e
ct
you
rse
lf
f
r
om
ha
r
m
and
th
e SC811
f
r
om
damag
e
:
l
B
e
awa
re
of
th
e
locat
i
on
s
of
th
e
pow
er
on/off
s
w
i
tch
on
th
e
cha
ssis
a
s
w
e
ll
a
s
th
e r
oom
’s e
m
er
g
e
ncy
pow
er-
off
s
w
i
tch,
d
is
conn
e
ct
i
on
s
w
i
tch
o
r e
l
e
ct
ri-
cal
outl
e
t
. I
f
an
e
l
e
ct
ri
cal
acc
i
d
e
nt
occu
rs
,
you
can
th
e
n
qu
i
ckly
re
mov
e
pow
er
f
r
om
th
e s
y
s
t
e
m
.
l
Do
not
wo
r
k
alon
e
wh
e
n
wo
r
k
i
ng
w
i
th
h
i
gh
voltag
e
compon
e
nt
s.
l
Pow
er s
hould
alway
s
b
e
d
is
conn
e
ct
e
d
f
r
om
th
e s
y
s
t
e
m
wh
e
n
re
mov
i
ng
o
r
i
n
s
tall
i
ng
ma
i
n
s
y
s
t
e
m
compon
e
nt
s
,
s
uch
a
s
th
e ser
v
er
boa
r
d,
m
e
mo
r
y
mod
-
ul
es
and
th
e
DVD
-R
O
M
and
fl
oppy
d
ri
v
es
(not
n
e
c
ess
a
r
y
fo
r
hot
s
wappabl
e
d
ri
v
es
)
.
Wh
e
n
d
is
conn
e
ct
i
ng
pow
er
,
you
s
hould
fi
rs
t
pow
er
down
th
e
s
y
s
t
e
m
w
i
th
th
e
op
er
at
i
ng
s
y
s
t
e
m
and
th
e
n
unplug
th
e
pow
er
co
r
d
s
f
r
om
all
th
e
pow
er s
upply
modul
es i
n
th
e s
y
s
t
e
m
.
l
Wh
e
n
wo
r
k
i
ng
a
r
ound
e
xpo
se
d
e
l
e
ct
ri
cal
c
ir
cu
i
t
s
,
anoth
er
p
ers
on
who
is
fa
-
m
i
l
i
a
r
w
i
th
th
e
pow
er-
off
cont
r
ol
s s
hould
b
e
n
e
a
r
by
to
s
w
i
tch
off
th
e
pow
er
,
i
f
n
e
c
ess
a
r
y
.
l
Use
only
on
e
hand
wh
e
n
wo
r
k
i
ng
w
i
th
pow
ere
d
-
on
e
l
e
ct
ri
cal
e
qu
i
pm
e
nt
.
T
h
is is
to
avo
i
d
mak
i
ng
a
compl
e
t
e
c
ir
cu
i
t,
wh
i
ch
w
i
ll
cau
se e
l
e
ct
ri
cal
s
hock
.
Use e
xt
re
m
e
caut
i
on
wh
e
n
u
si
ng
m
e
tal
tool
s
,
wh
i
ch
can
e
a
si
ly
damag
e
any
e
l
e
ct
ri
cal
compon
e
nt
s
o
r
c
ir
cu
i
t
boa
r
d
s
th
e
y
com
e i
nto
contact
w
i
th
.
l
Do
not
u
se
mat
s
d
esi
gn
e
d
to
d
e
c
re
a
se e
l
e
ct
r
o
s
tat
i
c
d
is
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
ad,
u
se r
ubb
er
mat
s
that
hav
e
b
ee
n
s
p
e
c
i
fi
cally
d
esi
gn
e
d
a
s e
l
e
ct
ri
cal
i
n
s
ulato
rs.
l
T
h
e
pow
er s
upply
pow
er
co
r
d
mu
s
t
i
nclud
e
a
g
r
ound
i
ng
plug
and
mu
s
t
b
e
plugg
e
d
i
nto
g
r
ound
e
d
e
l
e
ct
ri
cal
outl
e
t
s.
l
Ser
v
er
boa
r
d
Batt
er
y:
CAUTI
O
N - T
h
ere is
a
dang
er
of
e
xplo
si
on
i
f
th
e
onboa
r
d
batt
er
y
is i
n
s
tall
e
d
up
si
d
e
down,
wh
i
ch
w
i
ll
re
v
erse i
t
s
pola
ri
t
ies
T
h
is
batt
er
y
mu
s
t
b
e re
plac
e
d
only
w
i
th
th
e s
am
e
o
r
an
e
qu
i
val
e
nt
typ
e
re
comm
e
nd
e
d
by
th
e
manufactu
rer.
D
is
po
se
of
u
se
d
batt
eries
acco
r
d
i
ng
to
th
e
manufactu
rer’s i
n
s
t
r
uct
i
on
s.
Summary of Contents for SC811i-280
Page 4: ...SC811 Chassis Manual iv Notes ...
Page 6: ...SC811 Chassis Manual vi Notes ...
Page 10: ...SC811 Chassis Manual x Notes ...
Page 14: ...SC811 Chassis Manual 1 4 Notes ...
Page 41: ...5 7 Chapter 5 Rack Installation Figure 5 4 Mounting the Chassis A B Rail Bracket C ...
Page 46: ...SC811 Chassis Manual 5 12 Notes ...
Page 48: ...Appendices 2 Notes ...
Page 54: ...Chassis Manual B 2 Notes ...