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Fujitsu M10-4 - Crossbar Unit; Power Supply Unit; B.2 Crossbar Unit

Fujitsu M10-4
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Table
B-1
　　
Specifications
of
CPU
memory
unit
(SPARC
M10-4/M10-4S)
Item Description
Maximum
number
of
CPU
memory
units
2
Location
Inside
of
chassis
Type
of
maintenance Active/cold,
inactive/cold,
and
system-stopped/cold
Maintenance
category Replacement,
expansion,
and
reduction
Table
B-2
　　
Specifications
of
crossbar
unit
(SPARC
M10-4/M10-4S)
Item Description
Number
of
crossbar
units
2
Location
Rear
of
chassis
Type
of
maintenance Inactive/cold
and
system-stopped/cold
Maintenance
category Replacement
replace
the
CPU
and
XSCF
individually.
Each
CPU
memory
unit
upper
and
CPU
memory
unit
lower
is
available
in
eight
different
types
based
on
the
combination
of
CPU
type
and
the
number
of
memory
slots.
Table
B-1
lists
the
specifications
of
the
CPU
memory
unit.
For
the
maintenance
procedure,
see
"Chapter
9
Maintaining
the
CPU
Memory
Unit/Memory."
B.2 Crossbar
Unit
The
crossbar
units
of
the
SPARC
M10-4S
and
the
crossbar
box
are
crossbar
switches
that
logically
connect
the
CPU
memory
unit
and
I/O
unit.
The
crossbar
unit
has
two
operation
modes.
One
is
normal
mode
that
provides
2-way
operation.
The
other
is
degraded
mode
that
provides
1-way
operation,
which
is
half
of
normal
mode.
Table
B-2
lists
the
specifications
of
the
crossbar
units
in
the
SPARC
M10-4S.
For
the
maintenance
procedure,
see
"Chapter
15
Maintaining
the
Crossbar
Units."
B.3 Power
Supply
Unit
The
power
supply
units
of
the
SPARC
M10-4/M10-4S
and
the
crossbar
box
take
power
from
the
input
power
and
supply
it
to
the
system.
The
redundant
configuration
Fujitsu
M10-4/Fujitsu
M10-4S/SPARC
M10-4/SPARC
M10-4S
Service
Manual
･
November
2014304

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