SMC Networks IZN10E Series, Руководство по эксплуатации

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Doc. no.IZ
＊
-OMV0005
34
8. Troubleshooting
1
N
o
p
o
w
e
r
("
PW
R
"
L
ED
is
O
F
F
.)
Po
w
e
r
s
u
p
p
ly
in
c
o
rre
c
tly
w
ire
d
C
h
e
c
k
w
h
e
th
e
r
b
o
th
b
ro
w
n
w
ire
s
a
re
c
o
n
n
e
c
te
d
t
o
+
2
4
V
D
C
a
n
d
b
o
th
b
lu
e
w
ire
s
a
re
c
o
n
n
e
c
te
d
t
o
0
V
.
En
s
u
re
a
ll
c
o
n
n
e
c
tio
n
s
a
re
in
a
c
c
o
rd
a
n
c
e
w
ith
[
3
-2
.
W
iri
n
g
].
2
R
e
d
"
PW
R
"
L
ED
is
O
N
.
Po
w
e
r
s
u
p
p
ly
v
o
lta
g
e
is
o
u
t
o
f
ra
n
g
e
C
h
e
c
k
th
e
p
o
w
e
r
s
u
p
p
ly
in
p
u
t
is
w
ith
in
t
h
e
ra
n
g
e
o
f
2
4
V
D
C
+
/-1
0
%
.
En
s
u
re
t
h
e
p
o
w
e
r
s
u
p
p
ly
is
in
t
h
e
ra
g
e
o
f
2
4
V
D
C
+
/-
1
0
%
.
3
R
e
d
"
IO
N
/
H
V
"
L
ED
is
O
N
.
A
b
n
o
rm
a
l h
ig
h
v
o
lta
g
e
d
is
c
h
a
rg
e
1
)
C
h
e
c
k
th
e
e
m
itt
e
r
fo
r
c
o
n
ta
m
in
a
tio
n
.
2
)
C
h
e
c
k
w
h
e
th
e
r
th
e
re
is
a
rc
in
g
b
e
tw
e
e
n
t
h
e
p
ro
d
u
c
t
a
n
d
w
o
rk
p
ie
c
e
t
o
b
e
n
e
u
tra
liz
e
d
.
3
)
C
h
e
c
k
w
h
e
th
e
r
th
e
io
n
iz
e
r
is
u
s
e
d
in
a
n
e
n
vi
ro
n
m
e
n
t
s
u
b
je
c
t
to
c
o
n
d
e
n
s
a
tio
n
o
r
m
o
is
tu
re
.
1
)
If
d
u
s
t
o
r
d
irt
is
f
o
u
n
d
o
n
t
h
e
e
m
itt
e
r,
c
le
a
n
t
h
e
e
m
itt
e
r
re
fe
rri
n
g
t
o
[4
-2
.Em
itt
e
r
m
a
in
te
n
a
n
c
e
a
la
rm
a
n
d
c
le
a
n
in
g
c
yc
le
s
].
2
)
If
th
e
re
is
a
rc
in
g
b
e
tw
e
e
n
t
h
e
w
o
rk
p
ie
c
e
t
o
b
e
n
e
u
tra
liz
e
d
a
n
d
t
h
e
p
ro
d
u
c
t,
in
c
re
a
s
e
t
h
e
d
is
ta
n
c
e
b
e
tw
e
e
n
t
h
e
m
u
n
til
a
rc
in
g
n
o
lo
n
g
e
r
o
c
c
u
rs
.
3
)
T
h
e
io
n
iz
e
r
m
u
s
t
n
o
t
b
e
u
s
e
d
in
e
n
vi
ro
n
m
e
n
ts
s
u
b
je
c
t
to
c
o
n
d
e
n
s
a
tio
n
o
r
m
o
is
tu
re
.
4
L
ED
o
f
PW
R
(g
re
e
n
),
IO
N
/H
V
(re
d
),
N
D
L
(g
re
e
n
)
w
ill
fla
s
h
.
C
PU
m
a
lfu
n
c
tio
n
c
a
u
s
e
d
b
y
n
o
is
e
1
)
C
h
e
c
k
if
th
e
re
is
a
n
y
h
ig
h
c
u
rre
n
t
e
q
u
ip
m
e
n
t
in
s
ta
lle
d
n
e
a
r
th
e
p
ro
d
u
c
t.
2
)
C
h
e
c
k
if
th
e
p
o
w
e
r
s
u
p
p
ly
c
a
b
le
is
ro
u
te
d
t
o
g
e
th
e
r
w
ith
a
n
y
h
ig
h
p
o
w
e
r
c
a
b
le
.
1
)
If
a
n
y
h
ig
h
c
u
rre
n
t
e
q
u
ip
m
e
n
t
is
n
e
a
rb
y,
e
ith
e
r
m
o
ve
it
a
w
a
y
o
r
c
o
n
s
id
e
r
a
n
a
lte
rn
a
tiv
e
lo
c
a
tio
n
f
o
r
th
e
p
ro
d
u
c
t.
2
)
R
o
u
te
t
h
e
io
n
iz
e
r
w
iri
n
g
s
e
p
a
ra
te
ly
t
o
h
ig
h
p
o
w
e
r
c
a
b
le
s
.
3
)
In
s
ta
ll
a
f
ilt
e
r
to
t
h
e
p
ro
d
u
c
t
p
o
w
e
r
s
u
p
p
ly
.
5
N
o
o
u
tp
u
t
s
ig
n
a
l
O
u
tp
u
t
c
irc
u
it
w
ire
d
in
c
o
rre
c
tly
C
h
e
c
k
th
e
o
u
tp
u
t
s
p
e
c
ifi
c
a
tio
n
s
(N
PN
/
PN
P)
a
n
d
w
iri
n
g
o
f
w
h
ite
,
p
u
rp
le
a
n
d
y
e
llo
w
w
ire
s
.
En
s
u
re
a
ll
c
o
n
n
e
c
tio
n
s
a
re
in
a
c
c
o
rd
a
n
c
e
w
ith
[
3
-2
.
W
iri
n
g
].
6
"I
O
N
/
H
V
"
L
ED
is
f
la
s
h
in
g
g
re
e
n
O
u
tp
u
t
c
irc
u
it
w
ire
d
in
c
o
rre
c
tly
(o
ve
r
c
u
rre
n
t)
C
h
e
c
k
th
e
o
u
tp
u
t
s
p
e
c
ifi
c
a
tio
n
s
(N
PN
/
PN
P)
a
n
d
w
iri
n
g
o
f
w
h
ite
,
p
u
rp
le
a
n
d
y
e
llo
w
w
ire
s
.
En
s
u
re
a
ll
c
o
n
n
e
c
tio
n
s
a
re
in
a
c
c
o
rd
a
n
c
e
w
ith
[
3
-2
.
W
iri
n
g
].
Ab no rm al
input
7
U
n
a
b
le
t
o
in
p
u
t
a
s
ig
n
a
l
In
p
u
t
c
irc
u
it
w
ire
d
in
c
o
rre
c
tly
C
h
e
c
k
th
e
in
p
u
t
s
p
e
c
ifi
c
a
tio
n
s
(N
PN
/
PN
P)
a
n
d
w
iri
n
g
o
f
th
e
o
ra
n
g
e
,
p
in
k,
g
ra
y
a
n
d
li
g
h
t
b
lu
e
w
ire
s
.
En
s
u
re
a
ll
c
o
n
n
e
c
tio
n
s
a
re
in
a
c
c
o
rd
a
n
c
e
w
ith
[
3
-2
.
W
iri
n
g
].
8
A
n
e
m
itt
e
r
s
u
rf
a
c
e
is
c
o
n
ta
m
in
a
te
d
R
e
d
u
c
tio
n
o
f
io
n
g
e
n
e
ra
tio
n
d
u
e
t
o
t
h
e
d
u
s
t
o
r
d
irt
o
n
t
h
e
e
m
itt
e
r
C
h
e
c
k
th
e
e
m
itt
e
r
fo
r
c
o
n
ta
m
in
a
tio
n
.
If
d
u
s
t
o
r
d
irt
is
f
o
u
n
d
o
n
t
h
e
e
m
itt
e
r,
c
le
a
n
t
h
e
e
m
itt
e
r
re
fe
rri
n
g
t
o
[
4
-
2
.Em
itt
e
r
m
a
in
te
n
a
n
c
e
a
la
rm
a
n
d
c
le
a
n
in
g
c
yc
le
s
].
9
Em
itt
e
r
is
b
e
n
t,
c
h
ip
p
e
d
o
r
w
o
rn
o
u
t.
R
e
d
u
c
tio
n
o
f
io
n
g
e
n
e
ra
tio
n
d
u
e
t
o
b
e
n
d
in
g
,
c
h
ip
p
in
g
o
r
w
e
a
r
o
f
th
e
e
m
itt
e
r
Ex
a
m
in
e
t
h
e
e
m
itt
e
r
tip
w
ith
a
m
a
g
n
ifi
e
r.
R
e
p
la
c
e
t
h
e
e
m
itt
e
r,
re
fe
rri
n
g
t
o
[
4
-3
.
R
e
p
la
c
e
m
e
n
t
o
f
th
e
e
m
itt
e
r
a
s
s
e
m
b
ly
]
10
G
re
e
n
"
N
D
L
"
L
ED
is
O
N
.
1
)
D
u
s
t
o
r
d
irt
o
n
t
h
e
e
m
itt
e
r
2
)
W
e
a
ri
n
g
o
r
b
re
a
ka
g
e
o
f
th
e
e
m
itt
e
r.
Ex
a
m
in
e
t
h
e
e
m
itt
e
r
tip
w
ith
a
m
a
g
n
ifi
e
r.
1
)
If
d
u
s
t
o
r
d
irt
is
f
o
u
n
d
,
c
le
a
n
t
h
e
e
m
itt
e
r
re
fe
rri
n
g
t
o
[
4
-2
.Em
itt
e
r
m
a
in
te
n
a
n
c
e
a
la
rm
a
n
d
c
le
a
n
in
g
c
yc
le
s
].
2
)
In
c
a
s
e
o
f
w
e
a
r
o
r
d
a
m
a
g
e
,
re
p
la
c
e
t
h
e
e
m
itt
e
r,
re
fe
rri
n
g
t
o
[
4
-3
.
R
e
p
la
c
e
m
e
n
t
o
f
th
e
e
m
itt
e
r
a
s
s
e
m
b
ly
].
11
"I
O
N
/
H
V
"
L
ED
is
O
F
F
D
is
c
h
a
rg
e
s
to
p
s
ig
n
a
l i
s
O
F
F
,
o
r
e
xt
e
rn
a
l s
w
itc
h
s
ig
n
a
l 1
o
r
2
is
in
p
u
t
C
h
e
c
k
if
th
e
d
is
c
h
a
rg
e
s
to
p
s
ig
n
a
l (o
ra
n
g
e
)
is
o
ff
,
o
r
e
xt
e
rn
a
l s
w
itc
h
s
ig
n
a
l 1
(g
re
y)
o
r
e
xt
e
rn
a
l s
w
itc
h
s
ig
n
a
l 2
(l
ig
h
t
b
lu
e
)
is
in
p
u
t.
W
h
e
n
p
e
rf
o
rm
in
g
n
e
u
tra
liz
a
tio
n
,
tu
rn
o
n
t
h
e
d
is
c
h
a
rg
e
s
to
p
s
ig
n
a
l,
a
n
d
t
u
rn
o
ff
t
h
e
e
xt
e
rn
a
l s
w
itc
h
s
ig
n
a
ls
1
a
n
d
2
.
12
Io
n
iz
e
d
a
ir
is
n
o
t
re
a
c
h
in
g
t
h
e
w
o
rk
p
ie
c
e
t
o
b
e
n
e
u
tra
liz
e
d
1
)
C
o
m
p
re
s
s
e
d
a
irf
lo
w
in
s
u
ff
ic
ie
n
t
2
)
In
te
rf
e
re
n
c
e
w
ith
a
irf
lo
w
1
)
C
h
e
c
k
th
a
t
th
e
s
u
p
p
ly
p
re
s
s
u
re
a
n
d
f
lo
w
ra
te
a
re
s
u
ff
ic
ie
n
t.
2
)
C
h
e
c
k
if
a
n
e
xt
e
rn
a
l a
irf
lo
w
c
o
u
ld
in
te
rf
e
re
w
ith
t
h
e
f
lo
w
o
f
p
ro
d
u
c
t
a
ir
fro
m
t
h
e
io
n
iz
e
r.
1
)
If
flo
w
ra
te
is
in
s
u
ff
ic
ie
n
t,
c
h
e
c
k
th
e
s
u
p
p
ly
p
re
s
s
u
re
o
r
im
p
ro
ve
th
e
s
u
p
p
ly
c
irc
u
it
s
u
c
h
a
s
a
ir
p
ip
in
g
.
2
)
If
a
n
e
xt
e
rn
a
l a
irf
lo
w
is
h
a
vi
n
g
a
n
e
ff
e
c
t,
c
o
n
s
id
e
r
s
h
u
tt
in
g
o
ff
t
h
e
a
ir
flo
w
o
r
o
th
e
rw
is
e
c
h
a
n
g
in
g
t
h
e
in
s
ta
lla
tio
n
s
o
t
h
a
t
io
n
iz
e
d
a
ir
is
n
o
t
in
te
rf
e
re
d
w
ith
.
13
T
h
e
re
a
re
o
b
s
ta
c
le
s
/o
b
s
tru
c
tio
n
s
b
e
tw
e
e
n
t
h
e
w
o
rk
p
ie
c
e
t
o
b
e
n
e
u
tra
liz
e
d
a
n
d
t
h
e
p
ro
d
u
c
t.
Io
n
iz
e
d
a
ir
b
lo
c
ke
d
o
r
a
b
s
o
rb
e
d
b
y
o
b
s
ta
c
le
s
C
h
e
c
k
th
a
t
th
e
re
a
re
o
b
s
ta
c
le
s
w
h
ic
h
c
o
u
ld
a
b
s
o
rb
io
n
s
o
n
t
h
e
p
a
th
u
s
e
d
f
o
r
s
u
p
p
ly
in
g
io
n
iz
e
d
a
ir
to
t
h
e
w
o
rk
p
ie
c
e
t
o
b
e
n
e
u
tra
liz
e
d
.
O
b
je
c
ts
b
e
tw
e
e
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14
T
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if
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15
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