100 EMC VNX5400 Hardware Information Guide
Disk-array enclosures
Interior view
The interior of the 3U, 120 (2.5-inch) DAE shows the fan modules (front and mid-section),
the disks the power supply modules, and the LCCs (Figure 79).
Figure 79 3U, 120 (2.5-inch) DAE (interior view)
The fan modules and disks are accessible only by sliding the DAE out from the rack (for
more information, see “Access to disk drives and fan modules (cooling modules)” on
page 102). The power supply modules and LCCs are accessed from the rear of the DAE (for
mor information, see “Rear view” on page 93).
Access to the internal components in a 3U, 120 (DAE8S) enclosure mounted 31U (4.5 ft,
or 1.38 m) or higher above the floor requires an appropriate EMC service ladder and is
restricted to authorized service personnel only. Attempts to service disks, fans, or other
DAE components mounted 31U or higher without a recommended EMC service ladder and
personnel may result in serious personal injury. If an EMC service ladder is on site, this
ladder is the property of EMC and is only available for use by authorized EMC service
personnel.
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Rear of 3U, 120 DAE
Front of 3U, 120 DAE
Fan modules x5
Power supply modules x4
LCC
Disk drives x120
Fan modules x5
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