The Catalyst 4506-S4-AP50 switch is a six-slot switch designed for high-performance, high-density wiring closet applications. The Catalyst 4506 switch supports the Supervisor Engine II, II+, II+10GE, III, IV, V, and V-10GE. The supervisor engine has a nonblocking, full-duplex, switching fabric that provides connections between the supervisor engine and the switching modules. The Gigabit Ethernet ports can be configured with any combination of copper 1000BASE-T, shortwave SX, LX/LH, and ZX interfaces, or CWDM and DWDM GBICs.