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INSTALLATION APPENDIX 2 OPTICAL TRANSMISSION UNIT TYPE-II
A2.6
Checking Voltage
Measure the voltage at the following points.
V
l o
a t
g
e
o t
b
e
m
e
a
s
u
e r
d
+
5
V
D
C
F
r o
F
r o
+
1
5
V
D
C
F
o
–
1
5
V
D
C
F
r o
–
5
2 .
V
D
C
F
r o
–5V +15V –15V +5V
If the measured voltage is out of the specified range, turn the voltage adjustment
trimmers (ADJ).
006-252-01
06.15.99 FM2514
P
u
p r
o
s
e
d
g i
t i
l a
i c
c r
u
t i
e r
m
o
e t
p
a
n
l e
p
o
w
r e
s
u
p
p
y l
f r
o r
t n
a f
n
(
a f
n
r d
v i
e
v
l o
a t
g
e
f o
a
n
a
o l
g
i c
c r
u
t i
d
g i
t i
l a
i c
c r
u
t i
OTM06A board
POW
Power supply
unit
LED
M
e
a
s
u
e r
m
O
T
M
0
6
A
T
P
O
T
M
0
6
A
T
P
+
1
2
V
D
C
)
O
T
M
0
6
A
T
P
O
T
M
0
6
A
T
P
FM-DP L Service Manual
e
t n
p
i o
t n
S
p
e
f i c
e i
d
1
T -
P
2
+
5
V
±
0
1 .
V
+ (
4
9 .
~
5
T -
P
6
+
1
5
V
±
0
3 .
V
+ (
1
4
7 .
7
T -
P
8
–
1
5
V
±
0
3 .
V
1 (
5
3 .
3
T -
P
4
–
5
2 .
V
±
0
1 .
0
4
( V
5 -
CN2
TP1 TP3 TP5 TP7
TP2 TP4 TP6 TP8
FP3B0810.EPS
BA2-9
a r
n
g
e
+
5
1 .
) V
~
1
5
3 .
) V
~
1
4
7 .
) V
3 .
0
4
~
5 -
0 .
9
6
) V
T
P
3
B
0
8
0
1
E .
P
S
BA2-9
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