v
Media
which
is
not
write-compatible
with
tape
unit.
Press
the
eject
button,
to
end
self-test
and
return
the
tape
unit
to
normal
operating
mode.
Then
return
to
step
1
(See
page
and
run
the
self-test
using
another
cartridge,
or
one
which
is
not
write-protected.
This
ends
the
procedure.
Tape
device
ready
conditions:
For
use
by
authorized
service
providers.
All
the
conditions
that
are
listed
for
the
device,
must
be
correct
for
the
device
to
be
ready.
If
the
device
is
not
ready,
use
the
Action
column
or
other
instructions,
and
go
to
the
service
information
for
the
specific
tape
device.
Determine
if
the
system
has
logical
partitions.
Go
to
before
continuing
with
this
procedure.
Table
1.
Tape
device
ready
conditions
Storage
device
Ready
description
Action
3480
or
3490
v
Power
switch
is
set
to
the
On
position.
v
Power
light
is
on.
v
DC
Power
light
is
on.
v
Control
unit
On-line
switch
is
set
to
the
On-line
position.
v
Control
unit
Normal/Test
switch
is
set
to
the
Normal
position.
v
Control
unit
channel
Enable/Disable
switch
is
set
to
the
Enable
position.
v
Tape
unit
On-line/Off-line
switch
is
set
to
the
On-line
position.
v
Tape
is
loaded.
v
Tape
unit
displays
Ready
U
or
Ready
F.
See
the
3480
Magnetic
Tape
Subsystem
Operator’s
Guide
,
SA32-0066,
or
3490
Magnetic
Tape
Subsystem
Operator’s
Guide
,
SA32-0124,
for
instructions
on
making
the
tape
unit
ready.
7208
v
Power
switch
is
on
(pressed).
v
Power
light
is
on.
v
Data
cartridge
is
inserted.
v
Ready
light
is
on.
v
System
external
signal
cable
is
connected
to
the
type
2621
I/O
processor
and
to
the
7208
tape
drive.
Note:
The
SCSI
I/O
bus
terminating
plug
for
the
system
external
signal
cable
is
connected
internally
in
the
7208
tape
drive.
The
7208
tape
drive
does
not
need,
and
must
not
have,
an
external
terminating
plug.
See
the
7208
8
mm
Tape
Drive
Operator’s
Manual
for
instructions
on
making
the
tape
drive
ready.
If
you
cannot
make
the
7208
Model
012
tape
drive
ready,
go
to
Analyze
hardware
problems
237
