IBM 8408-44E Site And Hardware Planning page 168

Figure 82. Mode 4 connection of a 5887 enclosure by using X cables to four single SAS adapters
Note: You must match the drive slots that you are using to the connector on the 5887 enclosure, and then
to the correct leg of the X cable. For details, see .
SAS adapter (FC 5805 and FC 5903) to the 5887
There are three supported configurations to connect the FC 5805 or FC 5903 adapters to a 5887.
Notes:
1. Maximum of eight SSDs in single enclosure configurations.
2. No cascading of 5887 enclosures.
3. IBM i only supports mode 1 connections.
4. The long end (0.5 m) of the YO cable must be connected to the left side of the enclosure (as viewed
from the rear). The short end (0.25 m) of the YO cable must be connected to the right side of the
enclosure (as viewed from the rear).
The following list describes the supported configurations:
1. Dual FC 5805 or FC 5903 adapters to one 5887 enclosure via a mode 1 connection.
v 5887 enclosure with 1 - 24 HDDs or 1 - 8 SSDs.
v Connection using dual SAS YO cables to connect to the 5887 enclosure.
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