Optimum Data is a reseller of refurbished networking hardware made by Cisco. We are among the oldest and most experienced resellers in the industry. We are in the top ten providers in the US and in the top twenty worldwide. All of our equipment is tested and guaranteed. We are located in Omaha, Nebraska and we intend to offer friendly "Midwestern" service. We normally ship on the same day as we receive a purchase order. We will happily provide references.