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 "4.5.3 Replacement/Expansion PHP (PCI Hot Plug)" of "PRIMECLUSTER Global Link Services Configuration and Administration Guide 4.3 (Redundant Line Control Function)".
Redundant Line Control function (Virtual NIC mode)
See "6.2 When using the PHP function" of "PRIMECLUSTER Global Link Services Configuration and Administration Guide 4.3 (Redundant Line Control Function for Virtual NIC Mode)".