IBM TotalStorage DS4200, Installation, User'S, And Maintenance Manual

Page: 86 / 222

As Figure 41 shows, when you connect additional storage expansion enclosures,
you can connect them by using the additional port of the drive channel.
Left ESM
Left ESM
Right ESM
Right ESM
Controller A
Controller B
1
2
2
1
ds470044
Figure 40. One DS4200 Express and two storage expansion enclosure — Not recommended
cabling
Left ESM
Left ESM
Right ESM
Right ESM
Controller A
Controller B
1
2
2
1
ds470045
Figure 41. One DS4200 Express and two storage expansion enclosure — Recommended
cabling
60
IBM System Storage DS4200 Express Storage Subsystem: Installation, User’s and Maintenance Guide