The DS3 WAN Card and the Fiber Enhanced Channel Test Unit (Fiber ECTU) are the ATM Fabric Cards used in the DS3 configuration of the Ciena CNX-5TM Broadband DSL System; a solution designed to DSL-enable Lucent SLC® Series 5 (SLC-5) Digital Loop Carriers (DLCs). Together, these cards perform ATM aggregation…

…can support the following cards:     28 x E1/DS1     8 x 10/100-Mbps Ethernet     3 x E3/DS3     1 x STM-1o/OC-3     Gigabit Ethernet (future) Network Interface STM-1/OC-3 network uplink STM-4/OC-12 (future…

…infrastructure in a variety of configurations. The compact, two rack-unit high CN 3605 shelf aggregates a combination of 28 x DS1 (or 21 x E1), 3 x DS3 (or 3 x E3), 6 x 10/100, and 2 x Gigabit Ethernet services onto dual OC-3/12/48 or STM-1/4/16 trunk interfaces. The CN 3605 delivers carrier-class reliability…

…Mux/Demux     options Ethernet: L2 service switch, RPR, PDH     Gateway, L2 MOTR, EPL Electrical: E1, DS1, DS3, EC-1, E3 Optical: OC-3/STM-1 through OC-768/STM-     256, OTU-1 to OTU-3 Storage: Fibre Channel 100/200/400/800/1200,   …

Technical information System Level Standards compliant DS3 WAN interface (44.736 Mb/s) Two OC-3 rate optical interfaces for connection to the fiber ring ATM Functionality TM 4.0-based ATM interface Multiple classes of service including: CBR, UBR, VBR-rt, VBR-nrt, UBRmdcr 16 VCs with combinations of QoS…

…of splitterless POTS+ADSL for Lucent SLC® Series 5 DLCs * Full-featured ATM aggregation and multiplexing, in a compact footprint * High capacity DS3 network interface * Flexible configuration options for aggregating multiple CNX-5 systems * Advanced ATM service support, sophisticated traffic management…

CNX-5 Configurations The CNX-5 system is available in T1 IMA and DS3 configurations that provide the flexibility to utilize existing backhaul facilities and meet growing DSL demand. Both configurations use Enhanced Channels Units (ECUs) and are managed by the CatenaView EMS. The table below summarizes…

Benefits of the CNX-5 system Network Interface Flexibility The CNX-5 system provides T1, IMA and DS3 network interface options to utilize existing backhaul facilities. The T1 interface can be connected to a fiber mux or directly interface to copper backhaul facilities. IMA allows the ATM data stream…

…Rights Management DS Digital Signal; Downstream DS0 Digital Signal Level 0 (64 Kb/s data/voice channel) DS1 Digital Signal Level 1 (T1 equivalent) DS3 Digital Signal Level 3 (T3 equivalent) DSCP Differentiated Service Code Point DSCRDS Discard Count DSF Dispersion Shifted Fiber DSL Digital Subscriber…