Silicon Graphics TP9400 RAID Owner's Manual page 146

8: Cabling
126
2. Connect drive Loop B to the controller enclosure (Figure 8-4).
Starting with the first drive enclosure, cable the Out connector on the right
environmental card to the In (lower) connector on drive minihub card 3. Leave the
Out connector on the left environmental card and the upper connector on card 3
unoccupied.
3. To connect a second drive group as a redundant drive loop to the same controller
enclosure, continue at Step 4. Otherwise go to "Connecting the TP9400 to the Hosts"
on page 128.
4. Connect drive Loop C to the controller enclosure (Figure 8-5).
Starting with the first drive enclosure, cable the In connector on the left
environmental card to the Out (upper) connector on drive minihub card 2. Leave
the In (lower) connector on card 2 unoccupied.
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