Ethernet Demarcation Device To coordinate with the new generation MPLS network and PTN backbone, Raisecom offers Ethernet Demarcation Devices fulfilling the high requests on service level applications. With guaranteed end-to-end SLA and QoS functions and complete implementation of international standards like IEEE802.3ah/802.1ag, ITU-T Y.1731 and RFC2544, Raisecom EDD devices provides end-to-end access for L2 VPN, backhaul IP RAN, delivers reliable multi-services to customer premises. What's more, it also offers complete Carrier Ethernet Ring and dual-homing protection, and is scalable up to 10Gbps Ethernet Services.