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Figure 9. Shelf ID button on the EXN3500
Visually verify that the shelf ID for each SAS storage expansion unit is unique. If an ID is not unique, set
the ID:
1. Remove the front bezel if you have not already removed it.
2. Press and hold the shelf ID U-shaped tab (for EXN3000s) or button (for EXN3500s) 1 until the first
digit flashes.
3. Press the tab until the correct number is displayed.
4. Repeat steps 2 and 3 for the second digit.
5. Press and hold the tab until the second number stops flashing. Result: Both numbers start flashing
and the Fault LED on the operations panel illuminates after about five seconds.
6. Power-cycle the unit to make the new ID take effect.
7. Replace the front bezel.
Setting EXN4000 or EXN1000 storage expansion unit shelf IDs
A unique shelf ID (from 1 to 7) is required for each EXN4000 or EXN1000 storage expansion unit in a
loop.
Shelf ID 1 is used for the first EXN4000 or EXN1000 storage expansion unit in a new loop. Shelf IDs for
additional storage expansion units are incremented sequentially from the number of the first unit.
To adjust the storage expansion unit shelf ID, press the - or + buttons.
Shelf ID - close-up view
Shelf ID
Note: This illustration shows a detailed view of the EXN4000. The Shelf ID buttons on the EXN1000 are
in the same relative position. For N3240, the Shelf ID button should be in 4 GB mode.
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1Gb 2Gb
4Gb
1Gb ELP
4Gb
2Gb
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