Create a new product or edit the existing server product. Click on Module Settings and choose Dedicated Server at Module Name.
After choosing the module, additional configuration fields will be loaded, which are explained below. 

Select "Automatically setup the product as soon as the first payment is received" if deployments should be processed automatically.

Dedicated Server Products

If the product is a dedicated server, choose Dedicated at the option Server Type. 

Virtual Server (VPS) Products

If this product is a virtual server (VPS), choose VPS at the option Server Type and click Save Changes.
After saving, a new field will appear which shows your hostsystems. Select the hostsystem on which you want to auto setup the VPS products and click Save Changes again. 
New configuration options will be shown which allows you to set the ressources of this product. 

The following options can be setted:

At the IP Manager you can assign the subnets to your hostsystems.