> For the complete documentation index, see [llms.txt](https://teravolt.gitbook.io/teravolt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://teravolt.gitbook.io/teravolt/peripherals/aeroswitch/pinout.md).

# Pinout

Below is the pinout for the AeroSwitch JST-GH Power Input and Ethernet headers.

<figure><img src="/files/zEQGXdQgfogIDpIJvmXV" alt=""><figcaption></figcaption></figure>

## **Power Input Connector (JST-GH 2-Pin)**

| Pin | Name | Description         |
| --- | ---- | ------------------- |
| 1   | VIN  | Power Input (7–50V) |
| 2   | GND  | Ground              |

## **Ethernet Port Pinout (Applicable to All 5 Ports)**

Each port follows standard 10/100Base-TX MDI pinout:

| Pin | Signal | Description       |
| --- | ------ | ----------------- |
| 1   | TX−    | Transmit Negative |
| 2   | TX+    | Transmit Positive |
| 3   | RX−    | Receive Negative  |
| 4   | RX+    | Receive Positive  |

{% hint style="info" %}
*Note: All 5 Ethernet ports have identical pinout.*
{% endhint %}

## &#x20;LED Indicators

There are 6 onboard LEDs to indicate power and port activity status.

| LED  | Function        | Description                           |
| ---- | --------------- | ------------------------------------- |
| LED1 | Power Indicator | Lights up when power is applied       |
| LED2 | Port 1 Activity | Blinks on Ethernet activity on Port 1 |
| LED3 | Port 2 Activity | Blinks on Ethernet activity on Port 2 |
| LED4 | Port 3 Activity | Blinks on Ethernet activity on Port 3 |
| LED5 | Port 4 Activity | Blinks on Ethernet activity on Port 4 |
| LED6 | Port 5 Activity | Blinks on Ethernet activity on Port 5 |