Connecting Two Exp810 Storage Expansion Enclosures Into Drive Loop A; Exp810 Storage Expansion Enclosure Esm Board Ports 1A And 1B - IBM TotalStorage DS4300 Installation, User's, And Maintenance Manual

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Fourth storage
expansion enclosure
ESM A
Third storage
expansion enclosure
ESM A
Second storage
expansion enclosure
ESM A
First storage
expansion enclosure
ESM A
Figure 50. Connecting two EXP810 storage expansion enclosures into drive loop A
For the location of the ports on the storage expansion enclosure ESM board,
see Figure 51.
Figure 51. EXP810 storage expansion enclosure ESM board ports 1A and 1B
2. Connect the same first two storage expansion enclosures to drive loop B, as
shown in Figure 52 on page 68.
Starting with the first storage expansion enclosure, connect a fiber-optic cable
from port 1A on the ESM B board to port 1B on the ESM B board in the second
(next) storage expansion enclosure.
Port 1B Port 1A
EXP810
Port 1B Port 1A
EXP810
Port 1A
Port 1B
Port 1A
EXP810
Port 1A
Port 1B
EXP810
Port 1A
Chapter 3. Cabling the storage subsystem
ESM B
Port 1B
ESM B
Port 1B
ESM B
Loop A
Port 1B
ESM B
Port 1B
ds4500_8101
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