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v Fan and communications module - A removable unit that contains the power
supply cooling fans, an indicator light, and Ethernet ports.
Figure 4. IBM TotalStorage FAStT900 Fibre Channel Storage Server - back view
Fibre Channel connections
When fully configured, the back of the FAStT900 Storage Server can accommodate
up to four host-side and four drive-side mini hubs. Each mini hub is a single,
removable unit that provides the Fibre Channel interface between a FAStT900
Storage Server, host computers, and drives. Each mini hub has two SFP module
ports. An SFP module is inserted into a mini-hub port. Figure 5 shows the Fibre
Channel components.
Figure 5. Fibre Channel interface connections
3
Chapter 1. Introduction
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