Language Inquiry Mode (in the top position, indicated
by a profile of a face) causes
language selection menu
terminal supports multiple languages. Also,
boot device
system
to select a device from
the
it
VAX
4000
Model
has
the following components:
has
not been selected, this mode causes the
to
issue a list of bootable devices and prompts you
sY$tem
on.
autoboots from
300
Operation
at
power-on:
the
system
at
power-on
the
list. Once a device is selected,
that
device each time you
to
display a
if
your console
if
a default
turn
-t>
Run
the
is
Mode (in
nonnal
the
middle
operating
position, indicated
setting.
by
an
arrow)
•
Loop Back Test Mode (in
in
a circle)
a T
the
console serial
specialloopback
Services use only.
Baud
Modified
The
(position
I Break I on
control to
I Break I
Rate
Select switch -
used
to
set
the
system's
terminal.
provides
sequence
Break
1),
CONTROLP, you
The
factory
modular
the
light-emitting diode (LED)
during
EnablelDisable switch -
0),
breaks
the
the
to
initiate a break
jack
connection for
power-on.
breaks
are
console
are
enabled.
terminal
console program.
can
specify
causes
line
connectors
baud
setting
(MMJ) -
the
disabled.
When
the
signal.
the
bottom position,
the
system
at
power-on. This
The
rate
is
position 5 (9600).
This
console
When
breaks
halts
Using
control character, I CtrllP
to
and
is
Baud
to
match
console
tenninal.
display
When
the
the
processor
the
run
loopback
setting
for Digital
Rate
Select switch
that
terminal
shows
the
switch
switch
are
enabled,
console command
indicated
requires
Customer
of
the
connector
the
is
is
up
(position
pressing
and
transfers
I,
rather
by
tests
on
console
testing
down
SET
than
is
•
The
Break
power-on. When
system
When
console mode (indicated
Using
RESTART_REBOOT, you
software
Bus
Digital
bus
node ID plugs, one for
one for
EnablelDisable switch also controls
breaks
attempts
breaks
the
after
node
Storage
the
console command,
ID
to
are
enabled
the
system
plugs -
System
external
automatically
can
bus,
are
disabled (down, position 0),
boot software
(up, position 1),
by
the
»>prompt)
SET
set
your
system
is
halted
VAX
Interconnect
the
Bus
due
4000
systems
internal
1, identify
what
happens
the
at
power-on.
the
system
at
power-on.
HALT REBOOT
to automatically boot
to pressing I Break
have
(DSSI) busses. 1\vo DSSI
DSSI bus,
the
System Overview
or
two
bus
SET
I.
separate
Bus
node
enters
HALT
0,
and
of
the
1-13
at
CPU. These plugs
systems, Bus
bus node
are
identified
are
identified
0 is identified
7;
for dual-host systems, both busses on
as
bus node
as
bus node 6.
are
configured
7,
at
the
factory.
as
bus
node 6, bus 1 is identified
and
both busses on the second host
For
the
single-host
as
first host
DSSI connectors (DSSI Bus
•
1.1.1.4
To
the left of
o provides
connector allows you to expand your system
storage devices to the bus.
second system by forming a dual-host configuration. Figure
location of
Interconnect (DSSI) connectors, labeled X
module allow you to expand your system by connecting additional
mass storage devices to
Ethernet
connectors: a BNe-type connector for Thin Wire Ethernet, and
a 15-pin connector for a
The
connection.
set
connection,
light (LED) for each connector indicates which connection is
active.
DSSI
Connector (DSSI Bus 0)
the
the
connectors -The console module has two
Ethernet
the switch
the
card cage is the
nSSI
nSSI
connector switch allows you
To
use
the
to
the
up
set
the
switch to the down position. A green indicator
bus for ISAs installed
You
can also
connector for
1) -Two
the
second DSSI bus. '
standard
standard
position.
nSSI
nSSI
Ethernet
transceiver cable connection,
To
connector for DSSI Bus
in
the
by
connecting additional
share
mass storage devices with a
Bus
O.
Digital Storage System
and
Y,
transceiver cable.
to
use the Thin Wire cable
system enclosure. The
on the console
Ethernet
set
the
type of
O.
Bus
mass
1-9
shows
the
1-14
VAX
4000
Model 300 Operation
Figure
DSSI Bus 0
1-9:
Connector
for
DSSI
Bus 0
MLO-004039
1.1.1.5 Power Supply Controls and Indicators
To
the
right
of
the
card
cage
is
the
power supply.
to
the
mass
power
and
the
fans.
To
prevent
internal
temperature
overheating
Figure
1-10
damage
or a fan
shows
storage devices,
due
to overheating,
and
the
failure,
the
the
controls
speed
power
and
the
modules
the
of
the
fans.
supply
indicators on
The
power
installed
power
If
the
will
the
System Overview
in
supply
power
shut
down
power supply.
supply
the
card
monitors
supply
the
provides
cage,
the
detects
system.
1-15
Figure 1-10; Power Supply Controls and Indicators
---e--~
o
7'1
GJ~O
00.
o~
~
o
gYI
n'1
~MO
-:--:-:--
The controls and indicator lights function as follows:
Power Switch
AC Pr
....
nt Indicator
I
DC
OK
Indicator
Fan Failure
Indicator
OVer
Temperatur.
I I Condition Indicator
Power Cable
Connector
MLO-o04040
•
1-16
Power switch -The power switch is used
off.
on and
indicated by a
The power switch also functions as
In
the
power switch to
on resets the circuit breaker.
minute before turning on the system back on.
AC
Present Indicator -The orange
when the power switch
input
VAX
4000 Model 300 Operation
The off position is indicated by a
1.
the
event of a power surge, the breaker will trip, causing the
return
of the power supply.
to the off position
If
the circuit breaker trips, wait one
AC
is
set to on and voltage is present
If
the
AC
Present indicator does not
to
tum
system power
0;
the
on
position
system circuit breaker.
(0).
Turning the system
Present indicator lights
at
is
the
light
when
the
Troubleshooting
power
and
switch
Diagnostics
is
set
to on,
manual.
refer
to
your
VAX
4000
+
t
•
DC OK -
supply voltages
DC
OK
to
on,
manual.
Fan
Failure
if
either
will automatically
measure
representative
Over
Temperature
down
instructions
Power
to configure a
or
B400X expander.
and
on
designated
can
control power for
illustrates
system.
When
are
indicator does
refer
to
your
indicator -The
of
the
two cooling fans stop working. The power
when a
Temperature
due
to
bus
off for
fan
if
a fan failure occurs.
Condition
an
over
on recovering from
connectors -
power
one
as
the
a possible power
the
green
within
VAX 4000 7roubleshooting
shut
failure
Condition indicator temperature
bus
The
or
more
main
an
DC
OK
the
correct
not
light
when
amber
down
indicator
Three
for systems
power supply:
the
is
detected. Call
lights
condition. Section 2.9 provides
an
power
power
expanders
entire
bus
expanded
bus
configuration for
over
indicator
operating
the
Fan
system
if
temperature
bus
expanded
allows you to
through
this
is lit,
power switch
Failure
as a precautionary
your
The
the
enclosure
connectors allow
the
way, one power switch
system.
the
range.
and
Diagnostics
indicator
Digital
amber
condition.
with
the
turn
power
Figure
an
expanded
power
If
is
lights
supply
service
has
R400X
power
supply
Over
shut
you
1-11
the
set
NOTE:
bus. Inadvertently
reliability
MO
81
Dual-host systems should not be configured
of
a dual-host system.
The
main
bus
signal to
cable is connected here,
secondary
The
secondary
control
bus
with
signal
connectors
shutting
out
in
(81) connector
signal
more
is
passed
as
off
a host system defeats the
(MO) connector sends
the
expander. One
the
other
end
of
an
expander
in
(81) connector receives
from
the
main
power supply.
than
one expander,
along,
shown
in
Figure
using
the
1-11.
System Overview
with
the
power control
end
of
a power
is connected to
power
the
In
the
power control
secondary
a power
supply.
power
a power
in
and
added
bus
the
bus
bus
out
1-17
so
Figure 1-11: Sample Power Bus Configuration
The secondary
the power bus for configurations of more
expander.
out
(SO) connector sends
the
signal down
than
one
System
MO
Expander 1 Expander 2
gMO
gSI
gso
1.1.1.6 Fans
1\vo fans located under
enclosure, down through
the fans varies, depending on the surrounding room temperature.
the load on the fans, keep the system away from
shows
the
air
flow
the
the
through
card cage draw
the
so
card cage,
system enclosure.
and
air
out
MLO·004041
in
through
the
bottom. The speed of
heat
sources. Figure
the
top of the
To
reduce
1-12
NOTE: The power supply monitors the fans.
the Fan Failure indicator
automatically shuts down as a precautionary measure. Call your Digital
service representative
NOTE: The fan speed control can
maximum speed. This setting is recommended
system module
Contact your Digital service representative
1-18
VAX
4000 Model 300 Operation
if
reliability~
on
the power supply lights,
a fan fails.
and
do
be
set so that the fans will run at their
not object
If
either fan stops working,
and
the system
if
you
want
potentially higher
to
the increased fan noise.
to
override the fan speed control.
Figure 1-12: System Air Circulation
•
MLO-G04042
1.2 Functional Description of Base System
Each
VAX
4000
systems. Your
was
configured
system
system
at
the
includes
may
have
factory,
base
system
optional components
based
on
your
components common to
order.
as
well. Your
all
system
The following sections describe
turn.
1.2.1
Base
•
•
•
•
• Embedded DSSI
Base System Components
system
Central
Console
Main
Network
components include
processing
serial
memory
controller
line
host
unit
unit
(CPU)
(SL U)
adapters
base
the
system
following:
components
System Overview
and
options,
1-19
in
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