Lenovo ThinkServer Storage SA120 (English) User Guide and Hardware Maintenance - Page 24

2 9 Fan assembly The fan assemblies prevent your storage array from overheating problems. The fan-assembly-status LED A as shown in the following illustration helps you determine the current status of the fan assembly. Figure 6. Fan-assembly-status LED Status On Off Color Amber None Description The fan assembly has potential errors. The fan assembly is working normally. 3 4 7 8 2.5-inch drive bays (bays 12-15) You can install up to four 2.5-inch hot-swap SATA solid-state drives into the drive bays. 5 6 Rear I/O module The rear I/O module is used to connect the storage array to a server, or to another storage array. For information about the LEDs and connectors on the rear I/O module, see "LEDs and connectors on the rear I/O module" on page 16. For information about connecting your storage arrays, see "Connecting the storage arrays" on page 19. Storage array components This topic provides information to help you locate the components of your storage array. For more information about the major components, see the related topics in "Locations" on page 8. Notes: • Depending on the model, your storage array might look slightly different from the following illustration. • The EMI integrity and cooling of the storage array are protected by having all drive bays covered or occupied. The number of the installed drives in your storage array varies by model. The vacant drive bays are occupied by dummy drive trays. 12 ThinkServer Storage SA120 User Guide and Hardware Maintenance Manual