Install The Disk Processor Enclosure - Dell EMC Unity Series Installation Manual

Install your storage system components into a rack

Install the disk processor enclosure

Unity 300/300F, Unity 350F, Unity 380/380F, Unity 400/400F, Unity 450F, Unity 500/500F, Unity 600/600F
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and Unity 650F Installation Guide
There are two types of DPE(s). Each is 2U. One utilizes 3.5" disks, while the other
utilizes 2.5" disks. The installation procedure is identical, no matter which one you
have in your system.
The DPE has a Product Serial Number Tag (PSNT) attached to the front of the
chassis. On a DPE with 12 horizontal 3.5" drive slots, the tag is located on the top
edge near the right side, see
Figure 1 PSNT location on DPE with 12-drive slots
On a DPE with 25 vertical 2.5" drive slots, the tag is located below the DPE power
status LED between drive slots 16 and 17, see
Figure 1 on page 18.
Figure 2
CL5779
on page 19.