Specifications

Table 3-1 (Cont.): Power Requirements
Current
(Amps)
Current
(Amps)
Power
Option
Module
+5V
+12V
(Watts)
RV20 2 to 21 0.2 to 3.9 175
TK50S-AA
1.35 2.4
35.6
TK70S-AA
1.3
2.4 35.3
TQK50-SA
M7546 2.9 0.0
14.5
TQK70-SA
M7559 3.0 0.0 15.0
TSV05-SB
M7206-PA
6.5 0.0 32.5
Figure
3-1
shows
the
worksheet
for
the
BA213 enclosure.
Use
the
worksheet
as
follows:
1.
In
the
Module
column,
list
all
options
and
mass
storage
devices
currently
installed
in
your
system,
except
the
controller
for
the
tape
drive.
Use
the
labels
on
the
cover
panel
of
each
slot
to
identify
the
module
installed
in
the
slot.
The
processor, memory,
and
TK70
tape
drive
have
already
been
entered.
List
each
RF30
disk
drive.
2.
List
the
options
and
mass
storage
devices
you
would
like
to
add
to
the
system.
3.
List
the
controller
for
the
TK70
tape
drive
last.
4.
Using
the
information
from
Table
3-1,
fill
in
the
power
requirements
for
each
module
and
each
mass
storage
device.
5.
Add
each
column
and
make
sure
the
resultant
figures
do
not
exceed
the
limit
listed
below
the
column. As
long
as
the
figures
are
within
range,
you
can
probably
install
the
listed
options.
This
worksheet
is
only a guide.
Confirm
your
plan
with
your
DIGITAL
sales
representative.
While
certain
configurations
may
be
possible,
they
may
not
be
recommended
due
to
excessive
loads
on
the
system
or
difficulties
in
arranging
bus
and
cable access
to
all
devices.
System Expansion
3-3