HPE ProLiant DL325 Gen10 Plus v2 User Manual page 176

Retain the blank for future use.
11. Install the OCP NIC 3.0 adapter:
a. Rotate the locking pin to the open (vertical) position (callout 1).
b. Slide the adapter into the bay until it clicks into place (callout 2).
Make sure that the card is seated firmly in the slot.
c. Rotate the locking pin to the close (horizontal) position (callout 3).
12. If you are installing an OCP NIC 3.0 x16 adapter, connect the OCP bandwidth upgrade cable .
13. Install the primary riser cage.
14. Install the access panel .
15. Install the server into the rack .
16. Connect all peripheral cables to the server.
Installing an OCP NIC 3.0 adapter 176