HP MSA Controllers - Manual (Page 33)

Chapter 2 Installing and Cabling Enclosures 33
Figure 2-5 Fault-Tolerant Cabling Connections Between One Controller
Enclosure and Up to Three Drive Enclosures
In Out
In Out
In Out
In Out
Controller B
Controller A
1A
1B
2A
2B
3A
3B In Out
In Out