Juniper-networks J4350 Instrukcja Użytkownika Strona 179

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Replacing and Troubleshooting Hardware Components
power s up plies are fully redundan t. If on e power supply fails or is removed, the
remaining pow
er supply instantly assumes the entire electrical load. One power
supply can provide full power for as long as the router is operational.
Each J6350 power supply is hot-insertable and hot-removable.
CAUTION: Do no
t leave a power supply slot empty for more than a short time while
the Services Router is operational. The power supply or a blank power supply panel
must remain in the chassis for proper airflow.
To replace power system com pone nts, use the following procedures:
Replacing an A
C Power Supply Cord on page 159
Removing an AC Power Supply from a J6350 Router on page 160
Installing an AC Power Supply in a J6350 Router on page 161
ReplacingaDC
Power Supply Cable on page 16 2
Removing a DC Power Supply from a J6350 Router on page 163
InstallingaDCPowerSupplyinaJ6350Routeronpage165
Replacing an
AC Power Supply Cord
To replace th
e AC power cord for a redundant power supply:
1. Locatearepl
acement power co rd with the typeofplugappropriatefor
your ge ographical location (see “AC Power, Connection, and Power Cord
Specifications” on page 76).
2. Attach an electrostatic discharge (ESD) grounding stra p to your bare wrist and
connect the strap to the ESD point on the chassis, or to an outside ESD point if
the router is
disconnected from ea rth ground. For more information about
ESD, see “Preventing Electrostatic Discharge Damage” on page 205.
3. Press and re
lease the power button to power off the router. Wait for the
POWER LED to turn off.
NOTE: If the power supply is a redundant power supply in a J6350 Services Router,
you can leave the router powered on and power flowing in the alternate power
supply.
4. Unplug the power cord from the power source receptacle.
5. Unplug the power cord from the appliance inlet on the power supply faceplate.
Replacing Hardware Components 159
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