4
·
2
4
③
Support tool connection connector
Connect a support tool and set parameter etc.
④
Setting switch
Set functions of JW-20CM.
· MODE switch .... Select functions
· S T A . N O.
×
×
×
×
×
10,
×
×
×
×
×
1
.... Set station number
· L T .... Set ON/OFF of termination resistance
· L G .... Set shield ground ON/OFF of communication cable
⑤
Communication cable connection connector
BNC type receptacle (jack)
⑥
Connector protective cap
⑦
Rating plate
C
B
A
9
8
7 6 5 4
0
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
3 2
1
0
F
E
D
Set at delivery
0
0
0
OFF
ON
MODE
STA.NO.
×10
×1
L T
(ON)
L G
(ON)
r
e
b
m
u
N
n
o
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t
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F
0
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S
1
O
/
I
e
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R
2
)
n
o
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t
c
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d
r
a
d
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t
s
(
k
n
il
a
t
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D
k
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r
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t
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p
m
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C
3
)
n
o
i
t
c
n
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f
e
v
a
s
y
t
i
c
a
p
a
c
y
r
o
m
e
m
(
k
n
il
a
t
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D
k
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t
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p
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C
F
o
t
4
.
t
e
s
t
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D