A data bus interface circuit is provided. The data bus interface circuit includes interface circuitry that can receive, store, and transmit data. Egress bus input circuitry is connected to the interface circuitry. The egress bus input circuitry receives incoming STM and ATM data from a first egress data...http://www.google.de/patents/US5959987?utm_source=gb-gplus-sharePatent US5959987 - System and apparatus for data bus interface
