Alcatel OmniSwitch 8800, Руководство пользователя по оборудованию

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Chassis and Power Supplies Power Supplies
OmniSwitch 8800 Hardware Users Guide December 2004 page 2-15
1375 Watt DC-to-DC Power Supply
In addition to AC power supplies, the OS8800 switch offers DC power support (OS8-PS-1375D). As with
the AC power supplies, DC supplies are installed in the power supply bays located at the bottom-rear of
the chassis. See
page 2-6 for a slot diagram showing the power supply bays.
DC Power Supply Front Panel
!
( + ) ( + )
( - ) ( - )
A
A
A
A
41 - 60 V - - -
45 AMPS
CAUTION: THIS UNIT MAY BE EQUIPPED WITH FOUR
POWER SUPPLY CORDS. TO REDUCE THE RISK OF
ELECTRICAL SHOCK, DISCONNECT ALL POWER SUPPLY
CORDS BEFORE SERVICING UNIT.
ATTENTION: CET APPAREIL COMPORTE PLUS D'UN
CORDON D'ALIMENTATION. AFIN DE PREVENIR LES CHOCS
ELECTRIQUES, DEBRANCHE TOUS LES CORDONS
D'ALIMENTATION AVANTE DE FAIRE LA REPARATION.
CAUTION:
"CONNECT TO A 48 V - - -
SELV SOURCE."
ATTENTION:
"CONNECTER A UNE
SOURCE TBTS 48 V - - - ."
TEMP
FAIL
DC
OUT OK
DC
IN OK
TEMP FAIL (Top LED).
Off when the power supply
is operating under supported
temperature conditions.
Displays solid amber when a
temperature error is detected
in the power supply hous-
ing. If a temperature error is
detected, check for an air-
flow obstruction at the air
intake vent or at the back of
the chassis. If no airflow
obstruction exists, remove or
replace the power supply
immediately. Refer to the
sections below for important
information on replacing
power supplies and power
supply redundancy.
DC OUT OK (Middle
LED).
Displays solid green when
the power supply’s DC
out-
put
status is OK and the
power supply is operating.
Off when the power supply
is not operating.
DC IN OK (Bottom LED).
Displays solid green when
the power supply’s DC
input
status is OK and the
power supply is operating.
Off when the power supply
is not operating.
Power Switch.
indicates
on
position;
indicates off position.
Power
Supply
LEDs
DC Power Connector Socket.
Anderson Powerpole modular
connector, or equivalent. The
connector socket ships factory-
installed in the power supply’s
front panel. For information on
the DC power connectors,
including notes on connecting
the power cable, refer to
page
2-16 .
Air Exhaust Vent.
The air
exhaust vent provides cooling
and temperature control for the
power supply. Maintain a front
clearance of at least six inches
to ensure proper airflow.
For additional airflow informa-
tion, refer to
page 2-35 .
Safety Ground Connector.
A safety ground is provided on
each power supply and is used
to ground the OS8800 chassis.
For information on properly
connecting the safety ground,
refer to
page 2-26 .
Air Intake Vent. The air
intake vent provides cooling
and temperature control for the
power supply. Maintain a front
clearance of at least six inches
to ensure proper airflow.
For additional airflow informa-
tion, refer to
page 2-35 .