IBM System Storage Subsystem DS5020 - Manual (Page 99)

13. The DS5020 supports the intermix of SATA and Fibre Channel E-DDMs within
the same drive enclosure.
ESM B
ESM A
EXP810
ESM B
ESM A
EXP810
First EXP810
storage expansion
enclosure
Last EXP810
storage expansion
enclosure
DS5020
ESM
port 1A ESM
port 1B
ESM
port 1A ESM
port 1A
ESM
port 1B ESM
port 1A
ESM
port 1A
ESM
port 1B Drive channel
port
Other storage
expansion
enclosures
Drive channel
port
Figure 45. DS5020 drive ports connected to EXP810 ESM ports labeled 1B
Chapter 3. Cabling the storage subsystem 69