Cisco Catalyst IE3400 Rugged 8 Port GE Adv Exp ModuleThe Cisco Catalyst IE3400 Rugged 8 Port GE Adv Exp Module is the compact, dependable expansion solution designed to empower industrial networks with scalable edge connectivity. Built for harsh environments and demanding applications, this DIN rail expansion module slots into Cisco IE3400 rugged switches to add eight Gigabit Ethernet ports using standard 1000BASE T RJ 45 interfaces. It enables rapid deployment of additional endpoints across factories,