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Front-end Design of the Hitachi Lightning 9900 Series

There are four ports for each interface board or a total of 32 host interfaces for a fully configured system. An ESCON interface board is shown in Figure 10. A FICON interface board has a similar appearance.

A Lightning 9900Series system can connect to mainframes and open systems hosts, thereby consolidating the storage for an enterprise under one roof for consistent performance, availability, and ease of management. This is shown in Figure 12.

Figure 10 – An ESCON® host adapter board and its major hardware components.

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Hitachi 9960, 9900 Series manual