WS-C4503

Catalyst 4500 Chassis (3-Slot),Fan, No P/S

WS-C4506

Catalyst 4500 Chassis (6-Slot),Fan, No P/S

WS-C4507R

Catalyst 4500 Chassis (7-Slot),Fan, No P/S, Red Sup Capable

WS-X4148-RJ45V

Catalyst 4500 Inline Power 10/100, 48-Ports (Rj45)

WS-X4248-RJ45V

Catalyst 4500 PoE 802.3af 10/100, 48-Ports (RJ45)