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Mark::
1. Place a 10uF capacitor between power and ground, and had better be close to NePort
2. Should not connect upload resistance on Reset pin( Pin 3 )
3. Recommend to connect upload resistance on RTS and CTS pin when uart work under
rs232 mode
4. Recommend to connect download resistance on RTS and CTS pin when uart work under
rs485/422 mode
5. 8Pin Models are compatible with 10Pin models of NePort Series except CTS、P+、P-
signals。
4. Ethernet Interface
NePort has integrated Ethernet transformer,RJ45 connector and status leds
Chart2-3.
Standard Ethernet signals(Industrial Starndard)
Signal
Type
Pin Num
Function Description
Mark
TX+
Output 1
Transmit signal: Positive
TX-
Output 2
Transmit signal: cathode
RX+
Input
3
Receive signal: Positive
RX-
Input
6
Receive signal: cathode
Not used
4
Not used
5
Not used
7
Not used
8
SHIELD
Shield (Connect to Ground)
2KV electromagnetism
Isolation
Mark: Please refer to Sheet2-4 for detailed pin description of RJ45 connector
5. Status Leds
NePort includes the follow status leds
◆
LINK（Green, Left Led）
◆
ACT（Yellow，Right Led）
Chart2-3. NePort Front View (Led)
Right Led
Pin 1
Shield(GND)
Shield(GND)
Pin 8
Left Led
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