> For the complete documentation index, see [llms.txt](https://docs.cusna.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cusna.io/product/coming-soon.../zyxel-nebula-pro.md).
# Zyxel Nebula (Pro)
{% hint style="info" %}
To enable Zyxel Nebula on your account [contact support](mailto:support@cloud4wi.com).
{% endhint %}
## Nebula setup
Login to your [Nebula portal](https://nebula.zyxel.com/)
First step, you need to create a Site and add your Device. In general, you would have a Site for each property.
Then, create an SSID (WiFi network) with DPPSK as an authentication method and fill in a very long complex backup key. \
Go to **Access point** –> **Configure** –> **SSID Overview** and set **WLAN security** = **DPPSK**\
## Cusna setup
To connect Cusna to your Zyxel Nebula account you need to get the Nebula API Key.
Go to **Site-Wide**, **General Setting** and scroll down to the end of the page until you find the **API Access** section.
Click Generate and then copy the **API token**.
Login in your [Cusna](https://cusna.io) account ad go to **Settings**. Select *Zyxel* and enter the **API token** in the input field.
Click **Setup**.
## Operating Cusna
### Creating Networks
When you create or edit a Network in the Cusna dashboard, in the WiFi configuration section, you have to pick the **Site** and the **SSID** that you have enabled on the Access Point of the related to property.
### Creating Accounts
When you create a new Account, a new PPSK user will be created in your Nebula account with the personal WiFi Passphrase.
{% hint style="info" %}
The default, initial WiFi Passphrase is the resident phone number!
{% endhint %}