The
storage
unit
supports
direct
point-to-point
topology
at
a
maximum
distance
of
500
m
(1500
ft)
at
1
Gb
and
300
m
(984
ft)
at
2
Gb
with
the
shortwave
adapter.
The
storage
unit
supports
direct
point-to-point
topology
at
a
maximum
distance
of
10
km
(6.2
mi)
with
the
longwave
adapter.
Switched-fabric
topology
The
switched-fabric
topology
provides
the
underlying
structure
that
enables
you
to
interconnect
multiple
nodes.
You
can
use
a
fabric
that
provides
the
necessary
switching
functions
to
support
communication
between
multiple
nodes.
You
can
extend
the
distance
that
the
storage
unit
supports
up
to
300
km
(186.3
miles)
with
a
storage
area
network
(SAN)
or
other
fabric
components.
The
storage
unit
supports
increased
connectivity
with
the
use
of
fibre-channel
(SCSI-FCP
and
FICON)
directors.
Specific
details
on
status,
availability,
and
configuration
options
that
are
supported
by
the
storage
unit
are
available
on
http://www-1.ibm.com/servers/storage/disk/ds6000.
The
storage
unit
supports
the
switched-fabric
topology
with
point-to-point
protocol.
You
should
configure
the
storage
unit
fibre-channel
adapter
to
operate
in
point-to-point
mode
when
you
connect
it
to
a
fabric
topology.
See
Figure
2
on
page
14.
1udncf
1
2
Legend
v
1–
is
the
host
system.
v
2–
is
the
storage
unit.
Figure
1.
Point-to-point
topology
Chapter
1.
Introduction
13
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