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communicate only with SAS port 1 on each drive. Similarly, if secondary expander
module 1 is missing or is faulty, the expansion canisters can communicate only
with SAS port 2 on each drive.
The two secondary expansion modules are already installed when the 2076-92F
expansion enclosure is shipped, as Figure 95 shows.
Figure 95. Location of secondary expander modules
Figure 96 shows the location of the LED indicators on the top of the secondary
expander module. Each secondary expander module has its own set of LEDs.
When power is connected to the expansion enclosure, the LEDs identify the
operational status of the secondary expander modules.
Figure 96. Location of LEDs on the secondary expander module
Table 12 on page 105 describes the function and status values of each LED
indicator.
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Storwize V7000 Gen2 and Gen2+: Quick Installation Guide
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