First storage
expansion enclosure
Third storage
expansion enclosure
Right ESMLeft ESM
Out
Out
In
d3nu4043d
Right ESMLeft ESM
Out
Out
In
Second storage
expansion enclosure
Right ESMLeft ESM
EXP500/100/7x0
In
In
Out
Out
In
Right ESMLeft ESM
Out
Out
In
Fourth (last) storage
expansion enclosure
In
In
EXP500/100/7x0
EXP500/100/7x0
EXP500/100/7x0
LoopA Loop B
Storage
expansion
enclosure
group 1
Storage
expansion
enclosure
group 2
Storage Subsytem
First storage
expansion enclosure
Third storage
expansion enclosure
Right ESMLeft ESM
Out
Out
In
Right ESMLeft ESM
Out
Out
In
Second storage
expansion enclosure
Right ESMLeft ESM
EXP500/100/7x0
In
In
Out
Out
In
Right ESMLeft ESM
Out
Out
In
Fourth (last) storage
expansion enclosure
In
In
EXP500/100/7x0
EXP500/100/7x0
EXP500/100/7x0
Loop C Loop D
Figure 63. Connecting a second redundant EXP500, EXP100, EXP700, or EXP710 storage
expansion enclosure group (loops C and D)
Chapter 3. Cabling the storage subsystem 85