> For the complete documentation index, see [llms.txt](https://docs.arkelectron.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arkelectron.com/products/embedded-computers/ark-just-a-jetson/setup/connect.md).

# Connect

## USB-C

Connect the USB-C port to your PC. The Jetson appears as a USB network device at `192.168.55.1`:

```bash
ssh jetson@192.168.55.1
```

The web UI is reachable the same way at <http://192.168.55.1>.

The same cable also carries a serial login console — see [USB-C Console](/products/embedded-computers/ark-just-a-jetson/developer/usb-c-console.md).

## WiFi Hotspot

On first boot, if no known WiFi network is available, the Jetson brings up a hotspot:

* **Network**: `jetson-<serial>`
* **Password**: `password`

Connect to it and open <http://jetson.local>.

{% hint style="info" %}
**WiFi antennas and MHF4 cables are not included.** Connect an MHF4 to RP-SMA cable ([option 1](https://www.amazon.com/female-Pigtail-Antenna-Extension-wireless/dp/B07GTL2G69), [option 2](https://www.amazon.com/dp/B076SGTMFS)) to each MHF4 connector on the WiFi card, then any dual-band (2.4/5 GHz) RP-SMA WiFi antenna. The 6 GHz band needs an antenna rated for Wi-Fi 6E.
{% endhint %}

## Ethernet

Plug the Ethernet port into your network — the Jetson requests an address over DHCP.

Once the Jetson is on your network:

```bash
ssh jetson@jetson.local
```


---

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