Service manual

Chapter 1 General Information
10
The optional Redundancy Kit provides a third power supply. Since the HP NetServer requires
two power supplies to run, a third power supply helps to prevent service interruptions. With the
Redundancy Kit installed, a power supply can be hot-swapped.
LEDs at the Rear of the Chassis
PCI Attention LEDs - If a hot plug board needs attention, its LED glows amber.
Slot 5 needs
attention
1
2
3
4
5
6
7
8
Amber Attention LED
PCI Power LEDs
Four pairs of very small LEDs are on the I/O board above left of each hot plug PCI slot. .
5
Power (Green)
A
ttention (Amber)
Onboard LEDs
The light from the small onboard LEDs is visible through the light pipes on the plastic slot separators.
Green (Power) LED
Amber (Attention) LED
Onboard LEDs
Light Pipes Display PCI LEDs