Compex Systems Advanced SerialRAID Adapters SA33-3285-02 - Manual (Page 35)

Two Loops with Two Adapters
The two adapters can provide support for up to 96 SSA disk drives (a maximum of 48
per loop).
Figure 9 shows an example configuration that has two loops and two adapters:
Adapter Adapter SSA Disk Drives
Figure 9. Two Loops with Two Adapters
Chapter 2. Introducing SSA Loops 15