Chapter 4 Maintenance
Hot Swapping Power Supply Unit
© 2011 Harmonic Inc.
34
bNSG 9000 & NSG 9000-3G, Rev D
1.
Unscrew all four screws that attach the front panel to the platform. The screws are located
on both sides of the front panel. Refer to the figure below.
2.
Detach the front panel from the working device.
3.
Push the new front panel to snap on the chassis and to allow the mating connector to
mate securely with the connector on the chassis.
4.
Screw the front panel to the working device.
5.
Verify that the alarm
Fan Failure
is remitted.
NOTE:
It is recommended to replace the front panel after five years of continuous operation. To order a
front panel, use the following part number: NSG-FP-SPR-01-01L.
4.2
Hot Swapping Power Supply Unit
The device uses a two hot swappable power supply units. The following procedure guides
you on how to hot swap a power supply unit assuming that both power supply units are
mounted in the platform.
Warning:
You must disconnect the power cord before removing the power supply.
Screws that attach front
panel to device
Power Supply unit Handle
Locking knob
