Cisco 48 Port Gigabit Expansion Module 1000Base T Copper Network For Enterprise Edge And Data Center SwitchesEnhance your Cisco network with a high density, Gigabit Ethernet expansion module designed for enterprise edge and data center deployments. The Cisco 48 Port Gigabit Expansion Module 1000Base T Copper Network delivers 48 ports of reliable 1000BASE T connectivity, enabling rapid scaling of access layer and distribution layer networks without overhauling your existing cabling. Built for data driven organizations, this module supports full duplex