Interface, Ports, Switches – IBM Partner Pavilion DS4100 User Manual
Page 44: Ds4100, Single-controller, Storage, Server, Figure
RAID
controller
Each
RAID
controller
contains
several
connectors
and
LEDs.
Each
controller
has
two
host
ports
and
one
expansion
port
for
connecting
the
storage
server
to
hosts
or
expansion
units.
You
first
insert
SFPs
into
the
ports
and
then
connect
the
fibre
channel
cables.
Host
ports
The
host
ports
(labelled
Host
1
and
Host
2)
are
used
to
connect
a
fibre
channel
cable
from
the
host
systems.
You
first
insert
an
SFP
into
the
port
and
then
connect
a
fibre
channel
cable.
The
two
host
ports
in
each
controller
are
independent.
They
are
not
connected
in
the
controller
module
as
they
would
be
in
a
hub
configuration.
The
host
port
connections
can
auto-negotiate
between
1
Gbps
and
2
Gbps.
Ethernet
port
The
Ethernet
port
is
used
for
an
RJ-45
10BASE-T
or
100BASE-T
Ethernet
connection
to
each
controller.
Use
the
Ethernet
connection
to
directly
manage
the
DS4100.
Expansion
port
The
expansion
port
(labelled
Expansion)
is
used
to
connect
additional
expansion
units
to
the
RAID
controllers
on
the
DS4100
base
storage
server.
You
first
insert
an
SFP
into
the
port
and
then
connect
a
fibre
channel
cable.
Note:
In
the
DS4100
single-controller
storage
server,
the
expansion
port
on
the
RAID
controller
is
not
active.
Serial
port
The
serial
port
is
used
by
service
personnel
to
perform
diagnostic
operations
on
the
RAID
controllers.
Incorrect
use
of
the
serial
port
can
result
in
loss
of
data
access
and,
in
some
cases,
in
loss
of
data.
Note:
The
maximum
baud
rate
is
57
600
bps.
Server
ID
switch
(enclosure
ID
switch)
The
server
ID
(also
referred
to
as
enclosure
ID)
switch
settings
range
from
0
through
7.
When
connecting
the
DS4100
base
storage
server
to
DS4000
EXP100
storage
expansion
units,
only
the
unique
IDs
ranging
from
00
through
07
can
be
set.
Host port 1
Host port 2
Ethernet
Expansion port (inactive in the DS4100
single-controller storage server)
AC power
connector
AC power
switch
Serial port
Server ID
switch
1 Gbps/
2 Gbps
switch
f10ug022scu
Figure
7.
Interface
ports
and
switches
for
DS4100
single-controller
storage
server
12
IBM
TotalStorage
DS4100
Storage
Server:
Installation,
User’s,
and
Maintenance
Guide