Left view and Right view
NP308T-8D (RS-232)-P (9~48VDC)
Rear view
1.
10Base-T /100Base-TX Ethernet port
2.
Serial transmit data indicator
3.
Serial receive data indicator
4.
Restore default settings(DEF)
5.
Ethernet port LED indicator
6.
Running statues indicator
7.
Power LED indicator
8.
Mat
9.
Installation aligning plug
10.
Installing screw hole
11.
RS-232 Serial
（
COM1
～
COM8
）
12.
Power input 9~48VDC
NP308T-8DI (RS-485)-P (9~48VDC)
Rear view
1.
10Base-T /100Base-TX Ethernet port
2.
Serial transmit data indicator
3.
Serial receive data indicator
4.
Restore default settings(DEF)
5.
Ethernet port LED indicator
6.
Running statues indicator
7.
Power LED indicator
8.
Mat
9.
Installation aligning plug
10.
Installing screw hole
11.
RS-485/422 Serial
（
COM1
～
COM8
）
12.
Power input 9~48VDC
【
Appearance and dimension
】
Unit
（
mm
）
【
Power supply input
】
Front View Top View
NP308T series provide DC power input, voltage input is the two
terminal form, plug type 2 core spacing of 5.08mm terminals,
wherein the power input range of 9 ~ 48VDC. (V+, V-)
【
Communication connector
】
10/100BaseT(X) Ethernet port
The pinout of RJ45 port display as below, connect by UTP or
STP. The connect distance is no more than 100m. 100Mbps is
used 120
Ω
of UTP 5; 10Mbps is used 120
Ω
of UTP 3, 4, 5.
RJ45 port support automatic MDI/MDI-X operation. Can
connect the PC, Server, Converter and HUB .Pin 1,2,3,6
Corresponding connections
in MDI. 1→3
, 2
→6
, 3
→1
, 6
→2 are
used as cross wiring in the MDI-X port of Converter and HUB.
10Base-T/100Base-TX are used in MDI/MDI-X, the define of Pin
in the table as below.
NO.
MDI signal MDI-X signal
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
6
RX-
TX-
4, 5, 7, 8
—
—
Note
：
“TX±”Transmit Data±
，
“RX±”Receive Data±
，
“—”Not Use.
MDI (straight-through cable)
MDI-X (Cross over cable)
1
8
