PI DATE: Oct 2006 * Catalyst 4500 Enhanced 48-Port 10/100/1000 Base-T Line Card * 48 ports * 10/100/1000 module (RJ-45) * Cisco IOS Software Release 12.1(19)EW or later * IEEE 802.3x flow control * Bandwidth is allocated across six 8-port groups, providing 1 Gbps per port group * More power efficient and more cost effective than the WS-X4448-GB-RJ45 * Enterprise and commercial: designed for Gigabit-to-the-desktop * Gigabit Ethernet over Copper with Power over Ethernet * Spare Module
