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【Power input】
Rear panel provides AC power NP3116T series access ports,
port comes with a switch, wherein the power supply input range
of 85VAC ~ 265VAC. Recommends using 220VAC power supply
input.
【Communication connector】
NP3116T series provide 2pcs 10Base-T/100BaseTX Ethernet
port （RJ45） and 2 port RS-232（RJ45）or 2 port RS-485/422。
10/100BaseT(X) Ethernet port
The pin out of RJ45 port display as below, connect by UTP
or STP. The connect distance is no more than 100m. 100Mbps is
used 120Ωof UTP 5 , 10Mbps is used 120Ωof UTP 3,4,5.
RJ 45 port support automatic MDI/MDI-X operation. can
connect the PC, Server, Converter and HUB .Pin 1,2,3,6
Corresponding connection 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
1
8
1
TX+
2
TX-
3
RX+
6
RX-
—
4、5、7、8
Note："TX±"Transmit Data±，"RX±"Receive Data±，"—" Not use。
MDI (straight-through cable)
RJ45
8
1
3
TX+
6
TX-
1
RX+
2
RX-
MDI-X (Cross over cable)
RJ45
8
1
3
(RX+)
TX+
6
(RX-)
TX-
1
(TX+)
RX+
2
(TX-)
RX-
Serial port connection
NP3116T series adopts RJ45 connector. The PIN define is
as follows:
RS-232 port:
1
8
MDI-X signal
PIN
RX+
1
RX-
2
3
TX+
4
TX-
—
5
6
7
8
RS-485/422 port:
3
RX+
6
RX-
1
TX+
RS-485 Serial Interface
2
TX-
1
RX+
(TX+)
RS-422 Serial Interface
2
RX-
(TX-)
3
TX+
(RX+)
6
TX-
(RX-)
PIN define
Description
TXD
Transmit data
RXD
Received Data
RTS
Request to send
CTS
Clear to send
DSR
Data set ready
GND
Signal ground
DTR
Data terminal ready
DCD
Data carrier detect
PIN
PIN define
1
D+(A)
2
D-(B)
PIN
PIN define
1
T+(A)
2
T-(B)
3
GND
4
R+(A)
5
R-(B)
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