Head1 - hot swapping a power supply, Hot swapping a power supply, Refer to – Allied Telesis AT-PBC18 User Manual
Page 42: Hot swapping a, Power supply
Installing a Power Supply Module
42
Hot Swapping a Power Supply
Both the main and optional power supplies are hot swappable. The
power modules to be hot swapped must be the same type. You cannot
install an AC power supply and a DC power supply in the same chassis.
1.
To remove a failed power supply, you must power OFF the
appropriate power source. To do this, perform one of the following:
❑
For an AC model, unplug the power cord from the power outlet
and then unplug the power cord from the failed module.
❑
For a DC model, follow the steps below:
Warning
When installing this equipment, always ensure that the frame
ground connection is installed first and disconnected last.
! 18
a.
Remove the positive and negative feed wires from the terminal
block by loosening the screws to the wire connections with a
flathead screwdriver.
b.
Remove the frame ground wire from the terminal block by
loosening the screw to the wire connection with a flathead
screwdriver.
2.
Loosen the two thumbscrews and slide out the failed power supply.
3.
Remove the new power supply from the shipping package and
store the packaging material in a safe location.
4.
Slide the new power supply into the expansion slot, gently seating
the power supply’s connector into the chassis’ backplane.
5.
Secure the new power supply to the chassis by tightening the two
thumbscrews.
Note
It is recommended that you connect the main and optional power
supplies to power outlets on separate circuits to protect your
chassis from loss of power due to a power circuit failure.
6.
Apply power to the new module by connecting the AC power cord
or DC wires. Refer to
on page 36 for an AC unit or
page 36 for a DC unit.
7.
Check that the PWR LED on the font of the chassis is green. If the
LED is OFF, refer to
The new power supply is now ready for use.