This Cisco Catalyst 4500 Enhanced 48-Port 10/100/1000 Module (RJ-45), part # WS-X4548-GB-RJ45 is a Cisco Catalyst 4500 Classic Fast Ethernet Fiber Line Card. Classic line cards provide 6 gigabits of switching capacity per slot. E-Series line cards provide increased switching capacity per slot. This increase in per-slot switching capacity with the E-Series line cards requires the Cisco Catalyst 4500E Series chassis and the Cisco Catalyst 4500E Series Supervisor. Two types of E-Series line cards are available based on the per-slot switching capacity. E-Series line cards numbered 47xx operate at 48 gigabits per slot, while E-Series line cards numbered 46xx operate at 24 gigabits per slot. Classic line cards may be deployed in both classic and E-Series chassis with either classic Cisco Catal(more...)