A.Install the two cards in slots 5 and 6 in the x445.
B.Install the two cards in slots 3 and 5 in the x445 make sure slots 4 and 6 are not occupied.
C.Install an RXE-100 on each x445 and install one card in the x445 and one card in an RXE-100 on each system.
D.Connect an RXE-100 between the two x445s and install one card in each x445 and one card in each side of the RXE-100.