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NE2-D11P Serial port to Ethernet serial port server ModBus gateway
[Introduction]：NE2-D11P single serial port server is used to realize bidirectional transparent transmission of data from RS485 serial port to Ethernet port. It has multiple Modbus gateway modes and MQTTC/HTTPC IoT gateway modes, which can meet the networking functions of various serial port devices/PLCs; it adopts industrial-grade design standards to ensure equipment reliability. The serial port server realizes transparent transmission of serial port data to Ethernet TCP/IP data packets. Users do not need to care about the specific details, and the protocol conversion is completed inside the device.
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| Serial number | Name | Function | illustrate |
| 1 | POWER | Power indicator light | Always on: power on ; |
| - | |||
| Always off: power is disconnected; | |||
| 2 | LINK | Connection indicator light | Off: The network cable is not connected; |
| Flashing: The network cable connection is normal but the link is not connected; | |||
| Steady on: Any network link is successfully connected or in UDP mode; | |||
| 3 | TXD | Serial port sending indicator light | Flashing: The serial port outputs data to the customer device |
| 4 | RXD | Serial port receiving indicator light | Flashing: The customer device outputs data to the NE2-D11 serial port |
| 5 | Reload | Factory reset button | Press and hold for 5-10S. All indicators on the device will light up, indicating that the device has been restored to factory settings. |
| 6 | G | GND | Connect RS485 cable shield or RS232-G |
| 7 | A/T | 485-A or 232-T | Connect to RS485-A interface or RS232-R interface |
| 8 | B/R | 485-B or 232-R | Connect to RS485-B interface or RS232-T interface |
| 9 | - | power supply- | Connect 8~28v power supply V- |
| 10 | + | Power+ | Connect 8~28v power supply V+ |
| 11 | Ethernet | Network port | Standard RJ45 interface, 10/100M cross-direct connection adaptive |