Dell Unity™ All Flash and Unity Hybrid Hardware Information Guide

Cabling the second optional DAE to extend back-end bus 0

Connect the second optional expansion DAE to the DPE expansion port 0 to extend back-end bus 0 (BE0) and designate this DAE as enclosure 1 of this bus. We refer to the address of this enclosure as BE0 EA1 (0_1).

About this task

Use the following illustration to complete this cabling task:

NOTE:When cabling the 15-drive DAE LCC SAS ports, ensure that the cables do not overlap behind the DAE. The illustration above demonstrates the proper method for cabling to the DAE LCC SAS ports.

1. Label a pair of mini-SAS HD cables using the orange labels shown here.

   Expansion port cable labeling details			Primary port cable labeling details
   Label part number	Label	Port	Label part number	Label	Port
   046-001-561		SP A SAS 0	046-021-010		LCC A Port A
   046-003-489		SP B SAS 0	046-021-011		LCC B Port A

2. Connect DPE port 0 to the new DAE to extend BE0.
   1. Connect port 0 on SP A in the bottom slot in the DPE to port A on the link control card A (LCC A) at the bottom of the DAE. []
   2. Connect port 0 on SP B in the top slot in the DPE to port A on the link control card (LCC B) at the top of the DAE. []