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Add a wired Ethernet port to devices that don't have one built in. The Ethernet ADD-ON provides a reliable 10/100 Mbps network connection with a standard RJ-45 jack. It's built with industrial-grade protection — 1500V galvanic isolation keeps your device safe from power surges on the network cable, and ESD protection guards against static discharge. The module also includes a PoE tap, meaning it can pass through Power over Ethernet to power your device from the same cable that carries data. Ideal for wall-mounted or ceiling-mounted installations where running a separate power cable is inconvenient.
Standard RJ-45 Ethernet port with 10/100 Mbps auto-negotiation — just plug in a cable.
Built-in Power over Ethernet tap lets you power your device through the network cable — one cable for data and power.
Industrial-grade magnetic isolation protects your device from voltage spikes and lightning-induced surges on the network.
HP Auto-MDIX automatically detects cable type — use any Ethernet cable, straight or crossover.
The module can power down its clock when idle, drawing almost no current until the network is needed again.
TVS diodes on all data lines protect against electrostatic discharge during handling and installation.
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 3.0 | 3.3 | 3.6 | V |
| Operating Current (100BASE-TX) | — | 45 | 55 | mA |
| Power-Down Current | — | 2 | 10 | µA |
| Operating Temperature | -40 | — | +85 | °C |

Works with SMLIGHT devices and external platforms. Standard interfaces make DIY integration straightforward.
| Series | Notes | |
|---|---|---|
| SLWF-09 | ✓ | Built-in slot |
| Platform | Notes | |
|---|---|---|
| ESP32 (all variants) | ✓ | RMII interface |
| Raspberry Pi | ✓ | Via SPI/Ethernet HAT |
| Any MCU with RMII | ✓ | 3.3V logic |
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