System
Model,
Tower,
Expansion
Unit
or
Machine
Type
HSL
Cable
or
Connections
Models
830
and
SB2
system
unit
Note:
The
HSL
cable
ports
A0
and
A1
(for
loop
number
256)
are
not
on
the
Network
Interface
Controller
NIC
card
in
position
M06.
v
The
″
A0
″
port
is
labeled
″
1
″
and
is
located
on
the
HSL
I/O
bridge
card
in
position
C08
of
the
FC
9074
base
I/O
tower.
v
Port
″
A1
″
is
located
on
the
system
unit
frame
under
the
NIC
card
in
position
M06.
The
″
A1
″
port
is
oriented
horizontally
below
a
cross
member
of
the
frame.
v
An
internal
ribbon
cable
connecting
the
Network
Interface
Controller
(NIC)
card
in
position
M06
to
the
HSL
I/O
bridge
in
position
C08
of
the
FC
9074
base
I/O
tower.
(The
first
link
on
HSL
loop
256).
v
HSL
ports
are
on
the
Network
Interface
Controller
(NIC)
Card
in
position
M06.
Models
830
and
SB2
base
I/O
tower
(FC
9074)
v
An
internal
ribbon
cable
connecting
the
HSL
I/O
bridge
in
position
C08
to
the
system
unit’s
Network
Interface
Controller
(NIC)
card
in
position
M06.
(The
first
link
on
HSL
loop
256).
v
External
HSL
port
on
the
HSL
I/O
bridge
card
in
position
C08.
Models
840
and
SB3
system
unit/processor
tower
HSL
ports
are
on
the
Network
Interface
Controller
(NIC)
Card
in
position
M17.
Models
840/SB3
System
Unit
with
FC
9079
Base
I/O
Tower
External
HSL
ports
on
the
HSL
I/O
bridge
card
in
position
C08.
FC
5074
Expansion
I/O
Tower
External
HSL
ports
on
the
HSL
I/O
bridge
card
in
position
C08.
FC
5075
Expansion
I/O
Tower
v
External
HSL
ports
on
the
tower
frame.
v
Internal
ribbon
cable
connecting
the
frame
to
the
tower
card
in
position
CB1
FC
5078/0578
Expansion
I/O
Tower
External
HSL
ports
on
the
HSL
I/O
bridge
card
in
position
C08.
FC
5079
(1.8m
expansion
tower)
External
HSL
ports
on
the
HSL
I/O
bridge
card
in
position
C08.
External
xSeries
Server
External
HSL
ports
on
the
Integrated
xSeries
Adapter
FC
5033,
FC
5034,
FC
5035
SPD
migrated
towers
v
External
HSL
ports
on
the
frame.
v
An
HSL
interposer
card
inside
the
frame
behind
the
external
HSL
ports.
v
An
internal
ribbon
cable
connecting
the
Tower
Card
in
position
C00
to
the
HSL
interposer
card
inside
the
frame
behind
the
external
HSL
ports.
FC
5077
SPD
migrated
towers
v
External
HSL
ports
on
the
frame.
v
An
HSL
interposer
card
in
position
S08.
This
ends
the
procedure.
Power
down,
power
on
instructions
Follow
these
steps
if
you
accidentally
pulled
an
HSL
cable,
and
lost
HSL
connections
to
frames
that
were
in
a
loop.
1.
From
the
Hardware
Service
Manager
screen,
select
Packaging
hardware
resources
.
2.
Select
the
frame
that
has
just
accidentally
lost
its
HSL
connection
and
select
Concurrent
Maintenance
.
Then,
press
Enter
.
3.
Select
Power
off
domain
to
power
off
the
tower.
4.
After
reconnecting
the
frame
into
the
HSL
loop,
select
Power
on
domain
.
Analyze
hardware
problems
455
