Figure – IBM TOTALSTORAGE DS4500 User Manual
Page 11
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For
the
location
of
the
ports
on
the
storage
expansion
enclosure
ESM
board,
see
In
In
Out
Out
Storage expansion enclosure
ESM board
2.
Connect
the
same
first
two
storage
expansion
enclosures
to
drive
loop
B,
as
shown
in
Starting
with
the
first
storage
expansion
enclosure,
connect
a
fiber-optic
cable
from
the
In
port
on
the
right
ESM
board
to
the
Out
port
on
the
right
ESM
board
in
the
second
(next)
storage
expansion
enclosure.
Last storage
expansion
enclosure
ESM boards
ESM board
Loop A
Fibre Channel
cable
First
storage
expansion
enclosure
Storage
server
In
Out
Figure
9.
Connecting
two
storage
expansion
enclosures
into
drive
loop
A
Figure
10.
Storage
expansion
enclosure
environmental
services
module
(ESM)
board
in
and
out
ports
11
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