Synology DS223j User manual
P
ro
d
u
c
t
Ma
n
u
a
l
D
S
223
j
La
st
up
d
a
t
ed
:
O
c
t
24,
2022
1
Ta
ble
o
f
C
o
n
t
en
ts
C
h
a
pt
e
r
1
B
ef
or
e
Y
ou
S
t
a
rt
2
1.1
Pa
ck
a
ge
c
o
n
t
en
ts
2
1.2
S
y
n
o
l
o
g
y
D
S
223
j
a
t
a
gl
a
nce
3
1.3
S
yst
em
m
o
de
s
a
nd
L
ED
indic
a
tors
4
1.4
O
t
he
r
L
ED
defini
t
i
o
n
s
6
1.5
H
a
r
d
w
a
r
e
S
p
ecific
a
t
i
o
n
7
1.6
S
p
a
r
e
Pa
rts
8
1.7
O
pt
i
o
n
a
l
A
cce
ssor
ie
s
9
C
h
a
pt
e
r
2
H
a
r
d
w
a
r
e
C
o
m
po
nen
ts
I
n
st
a
ll
a
t
i
o
n
10
2.1
R
ec
o
mmended
too
l
s
10
2.2
P
r
ec
a
ut
i
o
n
s
10
2.3
Sa
fe
ty
in
stru
c
t
i
o
n
s
12
2.4
I
n
st
a
ll
d
r
i
v
e
s
13
C
h
a
pt
e
r
3
I
ni
t
i
a
l
S
yst
em
S
e
tup
23
3.1
S
t
a
rt
up
Y
our
S
y
n
o
l
o
g
y
N
A
S
23
3.2
I
n
st
a
ll
D
SM
w
i
t
h
W
eb
A
ss
i
st
a
n
t
24
3.3
L
e
a
r
n
M
or
e
25
C
h
a
pt
e
r
4
S
yst
em
Ma
in
t
en
a
nce
26
4.1
R
e
p
l
a
ce
t
he
Ma
lf
u
nc
t
i
o
ning
F
a
n
26
C
h
a
pt
e
r
5
T
rou
ble
s
h
oot
ing
39
5.1
T
rou
ble
s
h
oot
ing
checkli
st
39
5.2
C
o
mm
o
n
i
ssu
e
s
r
e
so
l
ut
i
o
n
40
5.3
B
ef
or
e
you
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
44
5.4
C
o
n
t
a
c
t
ing
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
45
5.5
G
e
tt
ing
inf
or
m
a
t
i
o
n
,
hel
p
,
a
nd
s
e
rv
ice
45
2
C
h
a
pt
e
r
1
B
ef
or
e
Y
ou
S
t
a
rt
T
h
a
nk
you
f
or
pur
ch
a
s
ing
t
hi
s
S
y
n
o
l
o
g
y
pro
d
u
c
t
!
B
ef
or
e
s
e
tt
ing
up
your
ne
w
S
y
n
o
l
o
g
y
N
A
S
,
p
le
a
s
e
check
t
he
p
a
ck
a
ge
c
o
n
t
en
ts
to
v
e
r
if
y
t
h
a
t
you
h
a
v
e
r
ecei
v
ed
t
he
i
t
em
s
bel
ow
.
A
l
so
,
m
a
ke
sur
e
to
r
e
a
d
t
he
s
a
fe
ty
in
stru
c
t
i
o
n
s
c
a
r
ef
u
ll
y
to
a
vo
id
h
a
r
ming
yours
elf
or
d
a
m
a
ging
your
S
y
n
o
l
o
g
y
N
A
S
.
N
ot
e
s
:
A
ll
im
a
ge
s
bel
ow
a
r
e
f
or
ill
ustr
a
t
i
v
e
purpos
e
s
o
nl
y
,
a
nd
m
a
y
diffe
r
f
ro
m
t
he
a
c
tu
a
l
pro
d
u
c
t
.
1.1
Pa
ck
a
ge
c
o
n
t
en
ts
C
o
n
t
a
c
t
your
r
e
s
elle
r
if
your
p
a
ck
a
ge
i
s
mi
ss
ing
a
n
y
o
f
t
he
bel
ow
c
o
n
t
en
ts
:
Ma
in
u
ni
t
x
1
AC
pow
e
r
c
or
d
x
1
AC
pow
e
r
a
d
a
pt
e
r
x
1
RJ
45
L
A
N
c
a
ble
x
1
HDD
b
r
a
cke
t
x
1
S
c
r
e
ws
f
or
HDD
b
r
a
cke
t
x
3
3
S
c
r
e
ws
f
or
3.5"
d
r
i
v
e
s
x
10
S
c
r
e
ws
f
or
fi
x
ing
t
he
S
y
n
o
l
o
g
y
c
a
s
e
x
3
1.2
S
y
n
o
l
o
g
y
D
S
223
j
a
t
a
gl
a
nce
N
o
.
Na
me
D
e
s
c
r
i
pt
i
o
n
1
ST
A
TUS
I
ndic
a
tor
D
i
sp
l
a
ys
t
he
st
a
tus
o
f
t
he
syst
em
.
F
or
m
or
e
inf
or
m
a
t
i
o
n
,
s
ee
"
S
yst
em
m
o
de
s
a
nd
L
ED
indic
a
tors
".
2
L
A
N
I
ndic
a
tor
D
i
sp
l
a
ys
t
he
st
a
tus
o
f
t
he
ne
twor
k
c
o
nnec
t
i
o
n
.
F
or
m
or
e
inf
or
m
a
t
i
o
n
,
s
ee
"
O
t
he
r
L
ED
indic
a
tors
".
4
3
D
r
i
v
e
S
t
a
tus
I
ndic
a
tor
D
i
sp
l
a
ys
t
he
st
a
tus
o
f
d
r
i
v
e
.
F
or
m
or
e
inf
or
m
a
t
i
o
n
,
s
ee
"
O
t
he
r
L
ED
indic
a
tors
".
4
POW
E
R
B
utto
n
a
nd
I
ndic
a
tor
P
r
e
ss
to
pow
e
r
o
n
your
S
y
n
o
l
o
g
y
N
A
S
.
T
o
pow
e
r
o
ff
your
S
y
n
o
l
o
g
y
N
A
S
,
pr
e
ss
a
nd
h
o
ld
u
n
t
il
you
he
a
r
a
bee
p
sou
nd
a
nd
t
he
P
ow
e
r
L
ED
st
a
rts
blinking
.
5
F
a
n
D
i
spos
e
s
o
f
e
x
ce
ss
he
a
t
a
nd
c
oo
l
s
t
he
syst
em
.
I
f
t
he
f
a
n
m
a
lf
u
nc
t
i
o
n
s
,
t
he
S
y
n
o
l
o
g
y
N
A
S
w
ill
emi
t
a
bee
p
ing
sou
nd
.
6
L
A
N
P
ort
C
o
nnec
t
ne
twor
k
c
a
ble
he
r
e
.
7
US
B
3.2
G
en
1
P
ort
C
o
nnec
t
e
xt
e
r
n
a
l
d
r
i
v
e
s
or
ot
he
r
US
B
de
v
ice
s
to
t
he
S
y
n
o
l
o
g
y
N
A
S
he
r
e
.
8
R
E
S
E
T
B
utto
n
M
o
de
1
P
r
e
ss
a
nd
h
o
ld
u
n
t
il
you
he
a
r
a
bee
p
sou
nd
to
r
e
stor
e
t
he
I
P
a
dd
r
e
ss
,
D
NS
s
e
rv
e
r
,
a
nd
p
a
sswor
d
f
or
t
he
a
dmin
a
cc
ou
n
t
to
def
a
u
l
t
.
M
o
de
2
P
r
e
ss
a
nd
h
o
ld
u
n
t
il
you
he
a
r
a
bee
p
,
r
ele
a
s
e
t
he
b
utto
n
immedi
a
t
el
y
,
t
hen
pr
e
ss
a
nd
h
o
ld
a
g
a
in
w
i
t
hin
10
s
ec
o
nd
s
to
r
ein
st
a
ll
D
i
s
k
S
t
a
t
i
o
n
Ma
n
a
ge
r
D
SM
.
F
or
de
t
a
iled
inf
or
m
a
t
i
o
n
o
n
h
ow
to
r
e
s
e
t
your
S
y
n
o
l
o
g
y
N
A
S
,
p
le
a
s
e
r
efe
r
to
t
hi
s
a
rt
icle
.
9
P
ow
e
r
P
ort
C
o
nnec
t
pow
e
r
c
or
d
he
r
e
.
10
K
en
s
ing
to
n
S
ec
ur
i
ty
S
l
ot
A
tt
a
ch
a
K
en
s
ing
to
n
s
ec
ur
i
ty
l
o
ck
he
r
e
.
1.3
S
yst
em
m
o
de
s
a
nd
L
ED
indic
a
tors
S
yst
em
m
o
de
s
defini
t
i
o
n
s
T
he
r
e
a
r
e
7
syst
em
m
o
de
s
in
S
y
n
o
l
o
g
y
N
A
S
.
T
he
S
yst
em
m
o
de
s
a
nd
t
hei
r
defini
t
i
o
n
s
a
r
e
a
s
bel
ow
:
S
yst
em
m
o
de
D
efini
t
i
o
n
P
ow
e
r
ing
o
n
S
y
n
o
l
o
g
y
N
A
S
i
s
pow
e
r
ing
o
n
w
hen
you
pr
e
ss
t
he
pow
e
r
b
utto
n
or
r
e
st
a
rt
ing
w
hen
you
ru
n
op
e
r
a
t
i
o
n
s
in
D
SM
.
D
ur
ing
t
he
b
oot
up
pro
ce
ss
,
t
he
de
v
ice
a
l
so
p
e
r
f
or
m
s
h
a
r
d
w
a
r
e
ini
t
i
a
li
z
a
t
i
o
n
,
su
ch
a
s
h
a
r
d
w
a
r
e
r
e
s
e
t
or
BI
OS
ini
t
i
a
li
z
a
t
i
o
n
.
5
S
h
utt
ing
d
ow
n
S
y
n
o
l
o
g
y
N
A
S
i
s
s
h
utt
ing
d
ow
n
a
s
a
r
e
su
l
t
o
f
pr
e
ss
ing
t
he
pow
e
r
b
utto
n
or
op
e
r
a
t
i
o
n
in
D
SM
.
D
SM
n
ot
r
e
a
d
y
D
SM
i
s
n
ot
r
e
a
d
y
f
or
us
e
.
T
hi
s
c
ou
ld
ei
t
he
r
be
:
S
y
n
o
l
o
g
y
N
A
S
i
s
pow
e
r
ed
o
n
,
b
ut
D
SM
i
s
n
ot
prop
e
r
l
y
in
st
a
lled
.
S
y
n
o
l
o
g
y
N
A
S
i
s
c
urr
en
t
l
y
pow
e
r
ing
o
n
a
nd
ini
t
i
a
li
z
ing
s
e
rv
ice
s
nece
ss
a
ry
f
or
D
SM
to
f
u
ll
y
f
u
nc
t
i
o
n
.
T
he
a
tt
a
ched
UPS
de
v
ice
h
a
s
in
su
fficien
t
pow
e
r
;
D
SM
stops
a
ll
s
e
rv
ice
s
to
pr
e
v
en
t
d
a
t
a
l
oss
(
en
t
e
rs
s
a
fe
m
o
de
).
D
SM
i
s
r
e
a
d
y
f
or
us
e
D
SM
i
s
f
u
ll
y
f
u
nc
t
i
o
ning
,
a
nd
us
e
rs
c
a
n
s
ign
in
.
H
ibe
r
n
a
t
i
o
n
S
y
n
o
l
o
g
y
N
A
S
h
a
s
been
idle
f
or
a
w
hile
a
nd
i
s
n
ow
in
H
ibe
r
n
a
t
i
o
n
m
o
de
.
A
pp
lic
a
t
i
o
n
C
e
rt
a
in
p
a
ck
a
ge
s
/
s
e
rv
ice
s
(
e
.
g
.,
US
B
C
opy
a
nd
F
ind
me
s
e
rv
ice
)
w
hile
in
op
e
r
a
t
i
o
n
w
ill
c
o
n
tro
l
t
he
a
c
t
i
o
n
s
o
f
t
he
L
ED
.
A
f
t
e
r
t
he
op
e
r
a
t
i
o
n
i
s
c
o
m
p
le
t
e
,
t
he
L
ED
indic
a
tor
w
ill
r
e
tur
n
to
i
ts
n
or
m
a
l
st
a
t
e
.
P
ow
e
r
ed
o
ff
S
y
n
o
l
o
g
y
N
A
S
i
s
pow
e
r
ed
o
ff
.
I
den
t
if
y
S
yst
em
M
o
de
s
Y
ou
c
a
n
iden
t
if
y
t
he
syst
em
m
o
de
t
h
rou
gh
t
he
POW
E
R
a
nd
ST
A
TUS
L
ED
indic
a
tors
.
P
le
a
s
e
r
efe
r
to
t
he
t
a
ble
bel
ow
f
or
m
or
e
de
t
a
il
s
.
S
yst
em
M
o
de
POW
E
R
L
ED
ST
A
TUS
L
ED
B
l
u
e
G
r
een
O
r
a
nge
P
ow
e
r
ing
o
n
B
linking
O
ff
O
ff
S
h
utt
ing
d
ow
n
B
linking
S
t
a
t
ic
O
ff
/
S
t
a
t
ic
1
D
SM
n
ot
r
e
a
d
y
S
t
a
t
ic
B
linking
O
ff
/
B
linking
1
D
SM
i
s
r
e
a
d
y
f
or
us
e
S
t
a
t
ic
S
t
a
t
ic
O
ff
/
S
t
a
t
ic
1
H
ibe
r
n
a
t
i
o
n
S
t
a
t
ic
O
ff
O
ff
/
S
t
a
t
ic
1
A
pp
lic
a
t
i
o
n
S
t
a
t
ic
S
w
i
t
ching
P
ow
e
r
ed
o
ff
O
ff
O
ff
O
ff
6
N
ot
e
s
:
I
f
t
he
ST
A
TUS
L
ED
r
em
a
in
s
st
a
t
ic
or
a
nge
or
c
o
n
t
in
uous
l
y
blink
s
or
a
nge
,
t
hi
s
indic
a
t
e
s
t
he
r
e
a
r
e
syst
em
e
rrors
su
ch
a
s
f
a
n
f
a
il
ur
e
,
syst
em
ov
e
r
he
a
t
ing
,
or
vo
l
u
me
deg
r
a
de
.
P
le
a
s
e
s
ign
in
to
D
SM
f
or
de
t
a
iled
inf
or
m
a
t
i
o
n
.
T
r
a
n
s
i
t
i
o
n
s
be
tw
een
S
yst
em
M
o
de
s
T
o
be
tt
e
r
u
nde
rst
a
nd
t
he
tr
a
n
s
i
t
i
o
n
be
tw
een
syst
em
m
o
de
s
,
p
le
a
s
e
r
efe
r
to
t
he
e
x
a
m
p
le
s
bel
ow
:
P
ow
e
r
ed
o
n
w
i
t
h
n
o
D
SM
in
st
a
lled
:
P
ow
e
r
ed
o
ff
>
P
ow
e
r
ing
o
n
>
D
SM
n
ot
r
e
a
d
y
P
ow
e
r
ed
o
n
w
i
t
h
D
SM
in
st
a
lled
:
P
ow
e
r
ed
o
ff
>
P
ow
e
r
ing
o
n
>
D
SM
n
ot
r
e
a
d
y
>
D
SM
i
s
r
e
a
d
y
f
or
us
e
E
n
t
e
r
ing
hibe
r
n
a
t
i
o
n
t
hen
w
a
king
up
f
ro
m
hibe
r
n
a
t
i
o
n
:
D
SM
i
s
r
e
a
d
y
f
or
us
e
>
I
n
hibe
r
n
a
t
i
o
n
>
D
SM
i
s
r
e
a
d
y
f
or
us
e
S
h
ut
d
ow
n
:
D
SM
i
s
r
e
a
d
y
f
or
us
e
>
S
h
utt
ing
d
ow
n
>
P
ow
e
r
ed
o
ff
P
ow
e
r
f
a
il
ur
e
w
i
t
h
UPS
a
tt
a
ched
:
D
SM
i
s
r
e
a
d
y
f
or
us
e
>
D
SM
n
ot
r
e
a
d
y
(
d
u
e
to
pow
e
r
f
a
il
ur
e
,
D
SM
en
t
e
rs
s
a
fe
m
o
de
)
>
S
h
utt
ing
d
ow
n
>
P
ow
e
r
ed
o
ff
>
P
ow
e
r
ing
o
n
(
pow
e
r
h
a
s
r
ec
ov
e
r
ed
,
D
SM
w
ill
r
eb
oot
)
>
D
SM
n
ot
r
e
a
d
y
>
D
SM
i
s
r
e
a
d
y
f
or
us
e
1.4
O
t
he
r
L
ED
defini
t
i
o
n
s
L
ED
I
ndic
a
tor
C
o
l
or
S
t
a
tus
D
e
s
c
r
i
pt
i
o
n
D
r
i
v
e
st
a
tus
G
r
een
S
t
a
t
ic
D
r
i
v
e
r
e
a
d
y
a
nd
idle
B
linking
A
cce
ss
ing
d
r
i
v
e
O
r
a
nge
1
S
t
a
t
ic
L
o
c
a
t
ing
d
r
i
v
e
D
r
i
v
e
de
a
c
t
i
v
a
t
ed
b
y
us
e
r
P
ort
di
s
a
bled
2
D
r
i
v
e
he
a
l
t
h
st
a
tus
i
s
C
r
i
t
ic
a
l
or
F
a
iling
7
R
em
ov
ing
t
hi
s
d
r
i
v
e
w
ill
c
a
us
e
syst
em
d
a
m
a
ge
;
t
hi
s
i
s
t
he
o
nl
y
d
r
i
v
e
w
i
t
h
D
SM
in
st
a
lled
O
ff
N
o
in
t
e
r
n
a
l
D
r
i
v
e
L
A
N
G
r
een
S
t
a
t
ic
N
e
twor
k
c
o
nnec
t
ed
B
linking
N
e
twor
k
a
c
t
i
v
e
O
ff
N
o
ne
twor
k
N
ot
e
s
:
W
hen
t
he
d
r
i
v
e
L
ED
indic
a
tor
i
s
or
a
nge
,
w
e
r
ec
o
mmend
you
s
ign
in
to
D
SM
a
nd
g
o
to
S
tor
a
ge
Ma
n
a
ge
r
>
HDD
/
SS
D
f
or
m
or
e
inf
or
m
a
t
i
o
n
.
P
le
a
s
e
try
to
r
e
st
a
rt
your
S
y
n
o
l
o
g
y
N
A
S
or
r
e
-
in
s
e
rt
t
he
d
r
i
v
e
s
,
t
hen
ru
n
t
he
HDD
/
SS
D
m
a
n
u
f
a
c
tur
e
r
'
s
di
a
gn
ost
ic
too
l
to
check
t
he
he
a
l
t
h
st
a
tus
o
f
t
he
d
r
i
v
e
s
.
I
f
you
c
a
n
s
ign
in
to
D
SM
,
p
le
a
s
e
ru
n
t
he
b
u
il
t
-
in
S
.
M
.
A
.
R
.
T
.
t
e
st
to
s
c
a
n
t
he
d
r
i
v
e
s
.
I
f
t
he
pro
blem
r
em
a
in
s
u
n
r
e
so
l
v
ed
,
p
le
a
s
e
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
f
or
hel
p
.
1.5
H
a
r
d
w
a
r
e
S
p
ecific
a
t
i
o
n
I
t
em
D
S
223
j
C
PU R
e
a
l
t
ek
RT
D
1619
B
R
A
M
DD
R
4
1
GB
C
o
m
p
a
t
ible
D
r
i
v
e
T
yp
e
3.5"/2.5"
S
A
T
A
x
2
E
xt
e
r
n
a
l
P
ort
US
B
3.2
G
en
1
x
2
L
A
N
P
ort
1
G
b
E
RJ
45
x
1
S
i
z
e
H
x
W
x
D
(
mm
) 165
x
100
x
225.5
W
eigh
t
(
kg
) 0.88
A
genc
y
C
e
rt
ific
a
t
i
o
n
•
FCC
C
l
a
ss
B
•
CE
C
l
a
ss
B
•
UK
CA
•
B
SM
I
C
l
a
ss
B
•
EAC
•
V
CCI
•
CCC
•
R
C
M
•
K
C
HDD
H
ibe
r
n
a
t
i
o
n
Y
e
s
S
ched
u
led
P
ow
e
r
O
n
/
O
ff
Y
e
s
8
Wa
ke
o
n
L
A
N Y
e
s
E
n
v
i
ro
nmen
t
R
e
qu
i
r
emen
t
•
L
ine
vo
l
t
a
ge
:
100
V
to
240
V
AC
•
F
r
e
qu
enc
y
:
50
/
60
H
z
•
O
p
e
r
a
t
ing
T
em
p
e
r
a
tur
e
:
32
˚
F
to
104
˚
F
0
˚
C
to
40
˚
C
•
S
tor
a
ge
T
em
p
e
r
a
tur
e
:
5
˚
F
to
140
˚
F
20
˚
C
to
60
˚
C
•
R
el
a
t
i
v
e
H
u
midi
ty
:
5
%
to
95
%
R
H
N
ot
e
s
:
M
o
del
sp
ecific
a
t
i
o
n
s
a
r
e
su
bjec
t
to
ch
a
nge
w
i
t
h
out
n
ot
ice
.
R
efe
r
to
S
y
n
o
l
o
g
y
w
eb
s
i
t
e
f
or
t
he
l
a
t
e
st
inf
or
m
a
t
i
o
n
.
1.6
S
p
a
r
e
Pa
rts
R
efe
r
to
S
p
a
r
e
Pa
rts
if
you
need
to
r
e
p
l
a
ce
syst
em
f
a
n
s
,
di
s
k
tr
a
ys
,
or
pow
e
r
supp
l
y
u
ni
ts
.
M
o
del
Na
me
P
ic
tur
e
D
e
s
c
r
i
pt
i
o
n
D
i
s
k
H
o
lde
r
T
yp
e
C
2.5"
D
r
i
v
e
H
o
lde
r
FA
N
929225_1
S
yst
em
F
a
n
929225
mm
A
d
a
pt
e
r
60
W
_1
A
d
a
pt
e
r
60
W
L
e
v
el
V
I
1.7
O
pt
i
o
n
a
l
A
cce
ssor
ie
s
10
C
h
a
pt
e
r
2
H
a
r
d
w
a
r
e
C
o
m
po
nen
ts
I
n
st
a
ll
a
t
i
o
n
2.1
R
ec
o
mmended
too
l
s
T
hi
s
s
ec
t
i
o
n
li
sts
t
he
r
e
qu
i
r
ed
a
nd
opt
i
o
n
a
l
too
l
s
us
ed
in
t
he
in
st
a
ll
a
t
i
o
n
pro
ced
ur
e
s
.
A
s
c
r
e
w
d
r
i
v
e
r
A
t
le
a
st
o
ne
3.5"
or
2.5"
S
A
T
A
d
r
i
v
e
(
S
ee
he
r
e
f
or
c
o
m
p
a
t
ible
m
o
del
s
)
C
a
ut
i
o
n
:
I
f
you
in
st
a
ll
a
d
r
i
v
e
t
h
a
t
c
o
n
t
a
in
s
d
a
t
a
,
t
he
syst
em
w
ill
f
or
m
a
t
t
he
d
r
i
v
e
a
nd
e
r
a
s
e
a
ll
e
x
i
st
ing
d
a
t
a
.
P
le
a
s
e
b
a
ck
up
a
n
y
im
port
a
n
t
d
a
t
a
bef
or
e
in
st
a
ll
a
t
i
o
n
.
2.2
P
r
ec
a
ut
i
o
n
s
B
ef
or
e
in
st
a
lling
or
r
em
ov
ing
a
n
y
c
o
m
po
nen
ts
in
your
S
y
n
o
l
o
g
y
N
A
S
,
r
e
v
ie
w
a
ll
s
a
fe
ty
inf
or
m
a
t
i
o
n
.
11
C
a
ut
i
o
n
:
L
e
a
v
ing
str
a
y
or
l
oos
e
s
c
r
e
ws
in
s
ide
your
S
y
n
o
l
o
g
y
N
A
S
m
a
y
s
e
v
e
r
el
y
d
a
m
a
ge
i
ts
c
o
m
po
nen
ts
.
A
vo
id
d
ropp
ing
a
n
y
me
t
a
llic
o
bjec
ts
in
to
t
he
N
A
S
,
su
ch
a
s
p
a
p
e
r
cli
ps
a
nd
h
a
i
rp
in
s
.
D
o
n
ot
pu
ll
a
c
a
ble
b
y
i
ts
c
o
nnec
tor
or
i
ts
pu
ll
t
a
b
w
hen
di
s
c
o
nnec
t
ing
i
t
.
C
e
rt
a
in
c
a
ble
s
h
a
v
e
c
o
nnec
tors
w
i
t
h
l
o
cking
t
a
b
s
or
t
h
u
mb
-
s
c
r
e
ws
t
h
a
t
m
ust
be
r
ele
a
s
ed
bef
or
e
di
s
c
o
nnec
t
ing
t
he
c
a
ble
.
W
hen
di
s
c
o
nnec
t
ing
a
c
a
ble
,
kee
p
i
t
e
v
enl
y
a
ligned
to
a
vo
id
bending
t
he
c
o
nnec
tor
p
in
s
.
W
hen
c
o
nnec
t
ing
a
c
a
ble
,
m
a
ke
sur
e
t
h
a
t
t
he
ports
a
nd
t
he
c
o
nnec
tors
a
r
e
c
orr
ec
t
l
y
or
ien
t
ed
a
nd
a
ligned
.
I
f
you
need
to
m
ov
e
your
S
y
n
o
l
o
g
y
N
A
S
,
ge
t
so
me
o
ne
to
a
ss
i
st
you
.
D
o
n
ot
a
tt
em
pt
to
lif
t
i
t
o
n
your
ow
n
to
pr
e
v
en
t
inj
ury
.
Ma
ke
sur
e
t
h
a
t
your
S
y
n
o
l
o
g
y
N
A
S
i
s
wor
king
c
orr
ec
t
l
y
bef
or
e
in
st
a
lling
opt
i
o
n
a
l
h
a
r
d
w
a
r
e
c
o
m
po
nen
ts
.
I
f
your
S
y
n
o
l
o
g
y
N
A
S
i
s
n
ot
wor
king
c
orr
ec
t
l
y
,
s
ee
t
he
"
T
rou
ble
s
h
oot
ing
"
ch
a
pt
e
r
to
d
o
b
a
s
ic
trou
ble
s
h
oot
ing
.
I
f
t
he
pro
blem
c
a
nn
ot
be
so
l
v
ed
,
s
ee
t
he
s
ec
t
i
o
n
"
G
e
tt
ing
inf
or
m
a
t
i
o
n
,
hel
p
,
a
nd
s
e
rv
ice
"
f
or
m
or
e
inf
or
m
a
t
i
o
n
.
A
l
w
a
ys
c
a
r
ef
u
ll
y
h
a
ndle
syst
em
c
o
m
po
nen
ts
(
su
ch
a
s
P
CI
e
c
a
r
d
s
,
mem
ory
m
o
d
u
le
s
,
a
nd
syst
em
b
o
a
r
d
s
)
b
y
t
he
edge
s
or
t
he
f
r
a
me
.
D
o
n
ot
tou
ch
so
lde
r
j
o
in
ts
,
p
in
s
,
or
e
xpos
ed
ci
r
c
u
i
try
.
D
o
n
ot
p
l
a
ce
p
a
rts
a
nd
ot
he
r
c
o
m
po
nen
ts
(
su
ch
a
s
P
CI
e
c
a
r
d
s
,
mem
ory
m
o
d
u
le
s
,
a
nd
syst
em
b
o
a
r
d
s
)
o
n
t
he
top
c
ov
e
r
o
f
t
he
N
A
S
or
ot
he
r
me
t
a
l
sur
f
a
ce
s
.
O
nl
y
sp
ecific
S
y
n
o
l
o
g
y
N
A
S
support
t
he
h
ot
-
sw
a
pp
ing
o
f
c
o
m
po
nen
ts
a
nd
a
r
e
de
s
igned
to
op
e
r
a
t
e
s
a
fel
y
w
hile
i
t
i
s
tur
ned
o
n
.
B
ef
or
e
wor
king
in
s
ide
your
S
y
n
o
l
o
g
y
N
A
S
P
ow
e
r
o
ff
t
he
S
y
n
o
l
o
g
y
N
A
S
,
incl
u
ding
a
ll
a
tt
a
ched
p
e
r
i
p
he
r
a
l
s
.
D
i
s
c
o
nnec
t
t
he
S
y
n
o
l
o
g
y
N
A
S
f
ro
m
t
he
elec
tr
ic
a
l
out
le
t
a
nd
di
s
c
o
nnec
t
t
he
p
e
r
i
p
he
r
a
l
s
.
A
f
t
e
r
wor
king
in
s
ide
your
S
y
n
o
l
o
g
y
N
A
S
R
ec
o
nnec
t
t
he
p
e
r
i
p
he
r
a
l
s
a
nd
c
o
nnec
t
t
he
S
y
n
o
l
o
g
y
N
A
S
to
a
n
elec
tr
ic
a
l
out
le
t
.
P
ow
e
r
o
n
t
he
a
tt
a
ched
p
e
r
i
p
he
r
a
l
s
a
nd
t
hen
pow
e
r
o
n
t
he
S
y
n
o
l
o
g
y
N
A
S
.
P
r
e
v
en
t
ing
elec
trost
a
t
ic
di
s
ch
a
r
ge
S
t
a
t
ic
elec
tr
ici
ty
di
s
ch
a
r
ge
f
ro
m
a
finge
r
or
ot
he
r
c
o
nd
u
c
tors
migh
t
le
a
d
to
syst
em
h
a
l
t
,
l
oss
o
f
d
a
t
a
,
or
ot
he
r
d
a
m
a
ge
s
to
syst
em
b
o
a
r
d
s
or
ot
he
r
st
a
t
ic
-
s
en
s
i
t
i
v
e
c
o
m
po
nen
ts
.
T
hi
s
typ
e
o
f
d
a
m
a
ge
m
a
y
a
l
so
r
ed
u
ce
t
he
life
e
xp
ec
t
a
nc
y
o
f
t
he
S
y
n
o
l
o
g
y
N
A
S
.
12
P
r
e
v
en
t
e
xposur
e
to
st
a
t
ic
elec
tr
ici
ty
b
y
d
o
ing
t
he
f
o
ll
ow
ing
:
A
vo
id
h
a
nd
c
o
n
t
a
c
t
b
y
tr
a
n
sport
ing
a
nd
stor
ing
h
a
r
d
w
a
r
e
c
o
m
po
nen
ts
in
st
a
t
ic
-
s
a
fe
c
o
n
t
a
ine
rs
.
K
ee
p
elec
trost
a
t
ic
-
s
en
s
i
t
i
v
e
h
a
r
d
w
a
r
e
c
o
m
po
nen
ts
in
t
hei
r
c
o
n
t
a
ine
rs
u
n
t
il
t
he
y
a
rr
i
v
e
a
t
st
a
t
ic
-
f
r
ee
wor
k
st
a
t
i
o
n
s
.
P
l
a
ce
h
a
r
d
w
a
r
e
c
o
m
po
nen
ts
o
n
a
g
rou
nded
sur
f
a
ce
or
tou
ch
t
hem
bef
or
e
r
em
ov
ing
t
hem
f
ro
m
t
hei
r
c
o
n
t
a
ine
rs
.
A
vo
id
tou
ching
j
o
in
ts
,
p
in
s
,
le
a
d
s
,
or
ci
r
c
u
i
try
.
A
l
w
a
ys
be
prop
e
r
l
y
g
rou
nded
w
hen
tou
ching
a
st
a
t
ic
-
s
en
s
i
t
i
v
e
h
a
r
d
w
a
r
e
c
o
m
po
nen
t
or
a
ss
embl
y
.
W
hen
h
a
ndling
a
h
a
r
d
w
a
r
e
c
o
m
po
nen
t
,
c
a
r
ef
u
ll
y
h
o
ld
i
t
b
y
t
he
edge
s
or
t
he
f
r
a
me
.
U
s
e
a
n
elec
trost
a
t
ic
-
di
s
ch
a
r
ge
wr
i
st
str
a
p
or
ot
he
r
g
rou
nd
syst
em
s
.
T
he
S
y
n
o
l
o
g
y
N
A
S
s
h
ou
ld
be
p
l
a
ced
o
n
a
n
a
n
t
i
-
st
a
t
ic
m
a
t
E
S
D
m
a
t
).
T
he
S
y
n
o
l
o
g
y
N
A
S
w
ill
prov
ide
st
a
ndb
y
pow
e
r
w
hen
i
t
i
s
c
o
nnec
t
ed
to
AC
pow
e
r
e
v
en
if
i
t
i
s
pow
e
r
ed
o
ff
.
D
a
m
a
ge
c
a
n
be
d
o
ne
to
t
he
N
A
S
if
a
c
o
nd
u
c
tor
i
s
a
cciden
t
a
ll
y
tou
ched
a
nd
p
a
rts
a
r
e
s
h
ort
-
ci
r
c
u
i
t
ed
u
nde
r
t
hi
s
c
o
ndi
t
i
o
n
.
B
ef
or
e
r
em
ov
ing
t
he
top
r
e
a
r
c
ov
e
r
,
m
a
ke
sur
e
t
he
AC
pow
e
r
supp
l
y
i
s
di
s
c
o
nnec
t
ed
.
2.3
Sa
fe
ty
in
stru
c
t
i
o
n
s
K
ee
p
a
w
a
y
f
ro
m
di
r
ec
t
su
nligh
t
a
nd
chemic
a
l
s
.
E
n
sur
e
a
st
a
ble
en
v
i
ro
nmen
t
w
i
t
h
n
o
a
b
rupt
ch
a
nge
s
in
t
em
p
e
r
a
tur
e
or
h
u
midi
ty
.
P
l
a
ce
t
he
u
ni
t
r
igh
t
s
ide
up
a
t
a
ll
t
ime
s
.
K
ee
p
t
he
u
ni
t
a
w
a
y
f
ro
m
li
qu
id
s
.
B
ef
or
e
cle
a
ning
,
u
n
p
l
u
g
t
he
pow
e
r
c
or
d
(
s
)
a
nd
us
e
a
d
a
m
p
cl
ot
h
to
w
i
p
e
t
he
sur
f
a
ce
.
D
o
n
ot
us
e
chemic
a
l
a
e
roso
l
cle
a
ne
rs
.
T
o
pr
e
v
en
t
t
he
u
ni
t
f
ro
m
f
a
lling
ov
e
r
,
d
o
n
ot
p
l
a
ce
i
t
o
n
c
a
rts
or
a
n
y
u
n
st
a
ble
sur
f
a
ce
s
.
T
he
pow
e
r
c
or
d
(
s
)
m
ust
be
p
l
u
gged
in
to
t
he
c
orr
ec
t
pow
e
r
supp
l
y
vo
l
t
a
ge
.
E
n
sur
e
t
h
a
t
t
he
AC
vo
l
t
a
ge
prov
ided
i
s
c
orr
ec
t
a
nd
st
a
ble
.
Wa
r
ning
,
elec
tr
ic
s
h
o
ck
h
a
z
a
r
d
.
T
o
r
em
ov
e
a
ll
elec
tr
ic
a
l
c
urr
en
t
f
ro
m
t
he
de
v
ice
,
en
sur
e
t
h
a
t
a
ll
pow
e
r
c
or
d
s
a
r
e
di
s
c
o
nnec
t
ed
f
ro
m
t
he
pow
e
r
sour
ce
.
13
T
he
r
e
i
s
a
r
i
s
k
o
f
e
xp
l
os
i
o
n
if
t
he
b
a
tt
e
ry
i
s
r
e
p
l
a
ced
w
i
t
h
a
n
inc
orr
ec
t
typ
e
.
D
i
spos
e
o
f
us
ed
b
a
tt
e
r
ie
s
a
ppropr
i
a
t
el
y
.
P
ow
e
r
c
or
d
(
s
)
m
ust
be
p
l
u
gged
in
to
a
so
cke
t
-
out
le
t
w
i
t
h
e
a
rt
hing
c
o
nnec
t
i
o
n
.
K
ee
p
your
b
o
d
y
p
a
rts
a
w
a
y
f
ro
m
a
m
ov
ing
f
a
n
.
T
hi
s
pro
d
u
c
t
m
ust
be
in
st
a
lled
b
y
qu
a
lified
p
e
rso
nnel
in
a
r
e
str
ic
t
ed
a
cce
ss
l
o
c
a
t
i
o
n
(
e
.
g
.,
dedic
a
t
ed
e
qu
i
p
men
t
roo
m
s
,
s
e
rv
ice
cl
os
e
ts
,
e
t
c
.).
S
yst
em
r
eli
a
bili
ty
g
u
ideline
s
T
o
g
u
a
r
a
n
t
ee
a
de
qu
a
t
e
syst
em
c
oo
ling
a
nd
r
eli
a
bili
ty
,
f
o
ll
ow
t
he
syst
em
r
eli
a
bili
ty
g
u
ideline
s
li
st
ed
bel
ow
.
L
e
a
v
e
a
de
qu
a
t
e
sp
a
ce
a
rou
nd
t
he
S
y
n
o
l
o
g
y
N
A
S
to
en
sur
e
t
h
a
t
i
ts
c
oo
ling
syst
em
wor
k
s
w
ell
.
L
e
a
v
e
a
pprox
im
a
t
el
y
50
mm
2
inche
s
)
o
f
op
en
sp
a
ce
a
rou
nd
t
he
f
ro
n
t
a
nd
r
e
a
r
o
f
t
he
S
y
n
o
l
o
g
y
N
A
S
.
D
o
n
ot
p
l
a
ce
o
bjec
ts
in
f
ro
n
t
o
f
t
he
f
a
n
s
.
F
or
prop
e
r
c
oo
ling
a
nd
a
i
r
fl
ow
,
in
st
a
ll
t
he
S
y
n
o
l
o
g
y
N
A
S
c
ov
e
r
bef
or
e
you
pow
e
r
i
t
o
n
.
O
p
e
r
a
t
ing
a
S
y
n
o
l
o
g
y
N
A
S
w
i
t
h
out
i
ts
c
ov
e
r
migh
t
d
a
m
a
ge
S
y
n
o
l
o
g
y
N
A
S
c
o
m
po
nen
ts
.
I
f
your
S
y
n
o
l
o
g
y
N
A
S
h
a
s
a
i
r
d
u
c
ts
or
a
i
r
b
a
ffle
s
,
d
o
n
ot
r
em
ov
e
t
hem
w
hile
t
he
S
y
n
o
l
o
g
y
N
A
S
i
s
ru
nning
.
O
p
e
r
a
t
ing
t
he
S
y
n
o
l
o
g
y
N
A
S
w
i
t
h
out
t
he
a
i
r
d
u
c
ts
or
a
i
r
b
a
ffle
s
migh
t
c
a
us
e
your
syst
em
to
ov
e
r
he
a
t
.
O
p
ening
or
r
em
ov
ing
t
he
S
y
n
o
l
o
g
y
N
A
S
top
c
ov
e
r
w
hile
t
he
syst
em
i
s
pow
e
r
ed
o
n
m
a
y
e
xpos
e
you
to
a
r
i
s
k
o
f
elec
tr
ic
s
h
o
ck
.
I
f
you
m
ust
pow
e
r
o
n
t
he
S
y
n
o
l
o
g
y
N
A
S
w
i
t
h
out
i
ts
top
c
ov
e
r
,
en
sur
e
t
h
a
t
n
o
o
ne
i
s
ne
a
r
t
he
S
y
n
o
l
o
g
y
N
A
S
a
nd
t
h
a
t
n
o
too
l
s
or
ot
he
r
o
bjec
ts
h
a
v
e
been
lef
t
in
s
ide
i
t
.
D
o
n
ot
op
e
r
a
t
e
t
he
syst
em
w
i
t
h
out
S
y
n
o
l
o
g
y
N
A
S
c
ov
e
r
f
or
a
d
ur
a
t
i
o
n
e
x
ceeding
fi
v
e
min
ut
e
s
.
W
hen
r
e
p
l
a
cing
a
h
ot
-
sw
a
p
d
r
i
v
e
,
in
st
a
ll
t
he
ne
w
h
ot
-
sw
a
p
d
r
i
v
e
a
s
soo
n
a
s
poss
ible
.
B
a
ck
up
a
ll
im
port
a
n
t
d
a
t
a
bef
or
e
you
m
a
ke
ch
a
nge
s
to
d
r
i
v
e
s
.
2.4
I
n
st
a
ll
d
r
i
v
e
s
14
P
us
h
t
he
upp
e
r
c
a
s
e
in
t
he
di
r
ec
t
i
o
n
a
s
s
h
ow
n
bel
ow
.
L
if
t
t
he
upp
e
r
c
a
s
e
a
nd
s
e
t
i
t
a
s
ide
.
I
n
st
a
ll
d
r
i
v
e
s
:
15
F
or
3.5"
d
r
i
v
e
s
w
i
t
h
3
s
c
r
e
w
h
o
le
s
o
n
e
a
ch
s
ide
(
indic
a
t
ed
bel
ow
):
a
S
lide
t
he
d
r
i
v
e
in
to
t
he
h
a
r
d
d
r
i
v
e
b
a
y
,
a
nd
pus
h
i
t
a
ll
t
he
w
a
y
u
n
t
il
i
t
’
s
fi
r
ml
y
c
o
nnec
t
ed
to
t
he
S
A
T
A
c
o
nnec
tor
.
16
b
S
ec
ur
e
t
he
d
r
i
v
e
w
i
t
h
t
he
s
c
r
e
ws
prov
ided
.
17
F
or
3.5"
d
r
i
v
e
s
w
i
t
h
2
s
c
r
e
w
h
o
le
s
o
n
e
a
ch
s
ide
(
indic
a
t
ed
bel
ow
):
a
P
l
a
ce
t
he
HDD
b
r
a
cke
t
o
n
your
S
y
n
o
l
o
g
y
N
A
S
a
nd
f
a
st
en
t
he
b
r
a
cke
t
to
t
he
S
y
n
o
l
o
g
y
N
A
S
w
i
t
h
t
he
s
c
r
e
ws
prov
ided
.
b
S
lide
t
he
d
r
i
v
e
in
to
t
he
h
a
r
d
d
r
i
v
e
b
a
y
,
t
hen
pus
h
i
t
a
ll
t
he
w
a
y
u
n
t
il
i
t
'
s
fi
r
ml
y
c
o
nnec
t
ed
to
t
he
S
A
T
A
c
o
nnec
tor
.
S
ec
ur
e
t
he
d
r
i
v
e
w
i
t
h
t
he
s
c
r
e
ws
prov
ided
.
18
F
or
2.5"
d
r
i
v
e
s
:
a
P
l
a
ce
t
he
d
r
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