ASF4628 Gigabit Metro Ethernet Switch provides a flexible platform to enable carrier-class access technology through easy-to- maintain hardware architecture and advanced management software features. With all front panel access, field-replaceable fan tray, and redundant power supply design, ASF4628 eases the necessary field installation. Advanced management software enables remote troubles-shooting and management. With advanced security feature and flexible, find-grained QoS capability, ASF4628 allows service providers to deliver secure triple-play services for increasing deployment requirement. ASF4628 Gigabit Metro Ethernet Switch is part of a series of purpose-built next-generation switches, designed by Accton, in order to fulfill the demands of converged metro access network.