
when
TERMPWR
is
present
on
both
JBOD
interface
cards.
While
the
drive
is
held
in
RESET,
it
releases
all
bus
signals,
effectively
removing
it
from
the
system.
The
drive
in
the
slot
of
SCSI
ID
6
continuously
remains
in
RESET
under
these
conditions
until
power
is
removed
and
the
disable
SCSI
ID6
handling
switch
is
turned
on.
Configuration
switch
11
-
18
This
switch
must
always
be
set
to
off
in
a
2104
Model
DS4
and
Model
TS4.
Switch
cover
plate
Note:
Switch
configuration
is
only
valid
on
the
SCSI
Interface
card-1,
which
is
on
the
left
side
(left
side
from
the
rear
view).
The
configuration
on
the
SCSI
Interface
card-2,
which
is
on
the
right
side,
is
ignored.
The
switch
cover
plate
is
on
card-2
so
that
it
can
be
masked.
See
Figure
31.
Identifying
2104
Model
DS4
or
Model
TS4
disk
enclosures
The
Box
ID
switch
on
the
SCSI
Interface
card
is
a
10-position
rotary
switch
that
indicates
the
ID
of
the
2104
Model
DS4
or
Model
TS4.
The
SES
Inquiry
command
or
the
SAF-TE
buffer
1
command
uses
its
setting.
Labels
are
supplied
with
the
2104
Model
DS4
or
Model
TS4
to
enable
the
operator
to
identify
each
2104
Model
DS4
or
Model
TS4.
Attach
the
label
that
represents
the
ID
set
by
the
Box
ID
switch
to
the
front
of
the
2104
Model
DS4
or
Model
TS4.
SC000277
CARD
CAR
5 4 3 2 1
1
2
3
45
6
7
8
9 0
OPTION
SWITCH
UNIT ID
JBOD 2
Switch Cover plate
SW Cover added on 2nd JBOD card
JBOD 1
5 4 3 2 1
1
2
3
45
6
7
8
9 0
OPTION
SWITCH
UNIT ID
Figure
31.
Switch
cover
plate
on
the
panel
of
the
SCSI
Interface
card-2
(second
JBOD
interface
card)
box
Chapter
1.
Using
the
2104
Model
DS4
or
Model
TS4
17
Содержание Bull Escala 2104 DS4
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