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NE2-T1
NE2-T1
NE2-T1
NE2-T1
NE2-T1
NE2-T1
NE2-T1 TTL serial port to Ethernet pin module tcp data transparent transmission serial port to network port rj45 edge collection modbus TCP to RTU MQTT communication network port

[Introduction]：NE2-T1 single serial port server module is a super network port used to realize bidirectional transparent transmission of data from the serial port to the Ethernet port. Users do not need to care about the specific details, and the protocol conversion is completed inside the server. It has a variety of Modbus gateway modes and MQTTC/HTTPC IoT gateway modes; it adopts industrial-grade design standards to ensure device reliability. The product comes with an RJ45 interface, pin package, and is easy to use due to its compact size (also known as "super network port"). It can meet the networking functions of various TTL level serial devices and MCU/PLC.

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PIN
No. Pin Function
1VCCPositive power input, supports 3~6V input;
2GNDCommon ground terminal, negative terminal input of power supply;
3-5NCDefault is left floating;
6IO_RSTRestore factory pin, internal weak pull-up, can be connected to an external reset button, the low level lasts about 5~10s to restore the factory settings; the low level lasts 200~800ms to restart the device
7LINKOff: The network cable is not connected; Flashing: The network cable is connected normally but the link is not connected; Steady on: The network link is connected successfully;
8POWEROff: The device is not connected to the power supply; Steady on: The device is connected to the power supply.
9LED_TXDSerial port data sending LED indicator, outputs high level by default, and outputs 10Hz square wave when sending data.
10TXDWhen sending data through the serial port, the TTL level communication voltage only supports 3.3V. If it is connected to 5V, level conversion is required.
11RXDThe serial port receives data, and the TTL level communication voltage only supports 3.3V. If it is connected to 5V, level conversion is required.
12485_ENThe serial port works in full-duplex mode by default. If an external 485 chip is connected, the pin is connected to an external 1k pull-down resistor, and the pin function becomes the RS485 enable control pin. When the serial port sends data, it is set high and the normal state is low.
13LED_RXDSerial port data receiving LED indicator, outputs high level by default, and outputs 10Hz square wave when receiving data
14RSTExternal reset input, valid for low level above 100ns, internal weak pull-up;