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JRC NTG337-EL0 Instruction Manual Page 65

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4.1.8.3. Terminals
4.1.8.3.1.
WT
Small Window
Small Lid
(a)
ETHER port
This is the port to connect the WT to the WT adapter. Use a straight cable between the
WT and WT adapter.
Cable type
Range
of
applicable
diameter
Cable length
Shape
Pin assign
(b)
Industrial port
This is the industrial port.
Shape: RJ-22
・ The cable connecting between the WT and WT adapter carries 24 VDC for the WT in
addition to Ethernet signals. Before unplugging the cable connecting between the WT and
WT adapter, make sure to unplug the DC jack of the WT adapter to turn the power off.
Otherwise, the unit may be damaged.
・ The cable connecting the WT and WT adapter is a straight cable. Wrong connection may
damage the unit.
・ When closing the small window, make sure that the rubber packing of the small window is
free from any foreign matter.
a
Figure 4-4 Connecting Section of the WT
Connected cable between WT and WT adapte
Ethernet cable for outdoor,straight
φ5.0 mm∼5.7mm
outer
50m(max)
Connector
RJ-45
・ Ethernet signal (MDI specification)
・ An Ethernet cable has eight signal lines. Four lines are used to
carry Ethernet signals. The remaining four lines are used as
power lines and LED control lines.
4-42
a
b
b
1
2
3
4
8 7 6 5 4 3 2 1
5
6
7
8
1
2
3
4
4 3 2 1
Use a T20 torx driver to
open interface cover
TXD+
TXD-
RXD+
LED1
LED2
RXD-
+24V _IN
GND
TXD
RXD
NU
GND

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