ERS 2550T-PWR 48PT FE 2 COMBO PT 1/2 POE STK The Nortel Ethernet Routing Switch (ERS) 2500 series is a new family of cost-effective 10/100BaseT Ethernet switching products perfectly suited for branch offices of larger enterprises, or the enterprise edge, requiring a low-cost but feature-rich solution in the wiring closet. Ideal for enterprises with big plans, but not-so-big budgets, the Ethernet Routing Switch 2500 offers convergence-ready flexibility, high-speed connectivity and cost-effectiveness to deploy next-generation technology today - while ensuring the high resiliency and performance customers need.