Interconnections & Packaging: Central-Office Shelf Expands AdvancedTCA Functionality

The CO-Star 19-in. shelf with 14 slots (in dual, dual-dual star, and full-mesh versions) enhances the functionality of the PICMG 3.0 AdvancedTCA standard. It meets GR-63, GR-1089, UL/EN, 60950, and EN55024 for NEBS Level III specifications. Designed for 5-Gbit/s rates, the shelf features five-nines reliability, 200-W/board cooling at 55°C, field-replaceable fan trays and power entry, and two Force Computers Shelf-Management controllers. Power is distributed using redundant A and B feed systems for a total of four feeds for the dual A and B supplies. Typical working voltage is 40.5 to 62 V, and working current per slot is 5.1 A. The shelf goes for $10,730. Availability is within eight to 10 weeks.