Juniper CBL-M40-PWR-AU Benutzerhandbuch
Maintain and Replace the Power Supplies
Replace an AC Power Supply
137
Remove an AC Power Supply
The AC power supplies are located at the bottom rear of the chassis (see Figure 2). Each AC
power supply weighs approximately 20 lb (9 kg).
power supply weighs approximately 20 lb (9 kg).
To remove an AC power supply, follow this procedure (see Figure 53):
1.
Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on
the chassis.
the chassis.
2.
Press the power switch on the power supply faceplate to the
OFF
(
O
) position.
3.
Unplug the power cord from the appliance inlet on the faceplate.
4.
Loosen the thumbscrew at each upper corner of the power supply faceplate, using a
Phillips screwdriver if necessary.
Phillips screwdriver if necessary.
5.
Lift and hold up the safety interlock lever, which is directly below the appliance inlet.
6.
While holding the safety interlock lever up, turn the extractor/inserter counterclockwise
until the power supply disengages from the backplane.
until the power supply disengages from the backplane.
7.
Grasp the handle on the power supply faceplate and pull firmly to slide the unit about
halfway out of the chassis.
halfway out of the chassis.
8.
Place one hand under the power supply to support it, then slide it completely out of the
chassis.
chassis.
Do not leave a power supply slot empty for more than a
short time while the router is operational. The power
supply must remain in the chassis for proper airflow.
short time while the router is operational. The power
supply must remain in the chassis for proper airflow.
If you are not removing the power supply, but simply
powering it off, wait at least 60 seconds before turning it
back on. If you need to power it off again, wait for at least
60 seconds after powering it on.
powering it off, wait at least 60 seconds before turning it
back on. If you need to power it off again, wait for at least
60 seconds after powering it on.