…-compliant Carrier Ethernet services including Ethernet Private Line (EPL), Ethernet Virtual Private Line (EVPL), Ethernet LAN (ELAN) and TDM Circuit Emulations Services (CES). The CN 3000™ Ethernet Access Series is deployed on customer premises as a managed Ethernet demarcation device. The CN 4200…

…;Virtual Circuits MTU-s Functionality for H-VPLS deployment MTU-s Multihoming (redundant VCs to different     PE-s switches) MPLS Virtual Circuit as H-VPLS spoke Virtual     Circuit PBB-TE Service Instance as H-VPLS spoke     Virtual Circuit Q-in…

…;s DN 7 Family Ciena’s DN 7 family of multiservice switches is the industry’s first product line that combines ATM, Frame Relay, Circuit Emulation Services (CES), Ethernet, and MPLS while delivering telephony-grade reliability. The DN 7 family increases today’s service capacity at low…

…scenarios. The switches provide TDM circuit emulation in the form of Structure Agnostic TDM Aggregation (T1/E1 SAToP), or SONET/SDH Circuit Emulation over Packet (CEP). They also provide ATM/IMA aggregation services and full support of the IETF’s Pseudowire Emulation Edge-to-Edge (PWE3) architecture…

…multiple VPLS Mesh Virtual Circuits H-VPLS with Hub and Spoke Virtual Circuits MTU-s Functionality for H-VPLS deployment MTU-s Multihoming (redundant VCs to     different PE-s switches) MPLS Virtual Circuit as H-VPLS spoke     Virtual Circuit PBB-TE Service Instance…

…Pseudowire Emulation Edge-to-Edge (PWE3) MPLS Virtual Private Wire Service (VPWS) VPLS (Virtual Private LAN Service) and     Hierarchical VPLS (H-VPLS) Provider Edge (PE-s) Functionality for VPLS     and H-VPLS VPLS with multiple VPLS Mesh Virtual Circuits H-VPLS with…

…CD-WO Compact Disc - Write One CE Consumer Electronics CEA Consumer Electronics Association CER Cell Error Ratio; Codeword Error Ration CES Circuit Emulation Service CEV Controlled Environmental Vault CFG Configuration CFM Cubic Feet per Minute CFU Cooling Fan Unit CH Channel CHASEH Environmentally…

…cells into the higher level bundles. AAL is divided into types, which in turn support specific types of data traffic. ATM Adaptation Layer 1 Circuit Emulation (AAL1) AAL that supports constant bit rate traffic that cannot tolerate delays, such as uncompressed voice and video transmission. ATM Adaptation…

…;Virtual Circuits MTU-s Functionality for H-VPLS deployment MTU-s Multihoming (redundant VCs to different     PE-s switches) MPLS Virtual Circuit as H-VPLS spoke Virtual     Circuit PBB-TE Service Instance as H-VPLS spoke     Virtual Circuit Q-in…

…Virtual Circuits MTU-s Functionality for H-VPLS deployment MTU-s Multihoming (redundant VCs to different PE-s switches) MPLS Virtual Circuit as H-VPLS spoke Virtual Circuit PBB-TE Service Instance as H-VPLS spoke Virtual Circuit Q-in-Q Ethernet Virtual Circuit as H-VPLS spoke Virtual Circuit MPLS Label…