See the following for the replacement and expansion NIC by PCI Hot Plug:
Redundant Line Control function (NIC switching mode, Fast switching mode, and GS/SURE switching mode)
See "Replacement/Expansion PHP (PCI Hot Plug)" of "PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function."
Redundant Line Control function (Virtual NIC mode)
See "When using the PHP function" of "PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function for Virtual NIC Mode."