4 bu. fa-xr2-cntrl-fc16 2-port add - fa-xr2-cntrl-fc16 2-port add on factory install containing: 4 un. 80-0788-xx - add on, port 2 fc 16g, w / optics, broadcom lpe3100 2-m6, factory install - source: us - s / n: fc83622565, pure fc82321553, pure fc83257840, p