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NE2-T1M Serial to Ethernet Super Network Port RJ45 Interface TTL Level Serial Device Modbus Gateway
[Introduction]：NE2-T1M is a serial to Ethernet module (also known as "super network port") that realizes serial data ⇌ Ethernet data transmission. The serial to Ethernet module comes with an RJ45 interface and a full network port package. It can meet the networking functions of various TTL level serial devices and MCUs.
| No. | Pin | Description |
| 1 | RXD0 | NC, burning interface, no need to be suspended |
| 2 | TXD0 | NC, burning interface, no need to be suspended |
| 3 | BOOT | NC, burning interface, external pull-up is recommended |
| 4 | RST | Connected to chip reset pin, pull down for more than 100uS to take effect, external pull-up is recommended |
| 5 | EN | Enable control pin, pull high for full-duplex mode, pull low for half-duplex mode; |
| For users with external RS485 interface, external 485 chip enable pin can be connected after external pull-down. After the module detects a low level after power-on, it outputs a 485 enable control signal to the outside. For users using TTL interface, this pin is recommended to be pulled up | ||
| 6 | RELOAD | Restore factory settings, pull low for 5~10S to take effect |
| 7 | STATE0 | 10M indicator pin, pull high by default, pull low after PHY negotiation is completed, level jumps when there is data |
| 8 | RXD | User serial port, 3.3V TTL level |
| 9 | TXD | User serial port, 3.3V TTL level |
| 10 | GND | Power supply + signal ground |
| 11 | VCC | Positive power supply, recommended power supply capacity 400mA@3.3V or above |
| 12 | STATE1 | 100M indicator pin, pull high by default, PHY Pull down after negotiation is completed, the level jumps when there is data |
| 13 | LED0- | LED0 indicator negative pole, can be connected to pin 7 to indicate STATE0 signal |
| 14 | LED0+ | LED0 indicator positive pole, connected to 3.3 power + |
| 15 | LED1+ | LED1 indicator positive pole, can be connected to pin 12 to indicate STATE1 signal |
| 16 | LED1- | LED1 indicator negative pole, connected to GND |