Allied Telesis SwitchBlade x8100 Series Layer 3+ chassis switches, with AT-SBx81CFC960 control cards, guarantee high performance for the large enterprise network core. Available in 6 and 12 slot models, with the ability to stack two chassis into a single virtual unit, the CFC960-based system combines resilience and scalability in a superior solution.Allied Telesis SwitchBlade x8100 Series Layer 3+ chassis switches, with AT-SBx81CFC960 control cards, guarantee high performance for the large enterprise network core. Available in 6 and 12 slot models, with the ability to stack two chassis into a single virtual unit, the CFC960-based system combines resilience and scalability in a superior solution.