Connecting multiple D6020 drive enclosures in a dual domain
The Dual domain cabling for multiple D6020 drive enclosures figure depicts the cabling schema for up to three D6020 drive enclosures to an HPE StoreEasy Storage system in a dual domain schema.

NOTE:
Consider the slot in which the HPE Smart Array P408e-p SR Gen10 Controller has been installed. Depending on your system, it might be installed in another PCIe slot.