Specifications

2-21
Overview
2
1
3
4
5
I
A
2.3.6 Power Supply
The redundant power supply provides the system with power. It con-
sists of several independent power supply units: Even if one fails the
others will still offer enough power to keep the system working.
The following provides an overview of one of the power supply units:
Figure 2-17: Overview of the power supply
The system can be operated with one power supply unit out
of order. However, if another one fails, the system is likely to
break down. Therefore, it is recommended to change a failed
power supply unit immediately.
For more information about how to deal with a malfunctioning
power supply unit see section “Power Supply Maintenance”
on page 5-10.
handle With the handle of the power supply unit you
can pull the unit out of the power supply once it
is unlocked with the latch.
LED The LED indicates the state of the power supply
unit:
green The power supply unit is operating
normally.
red/off The power supply unit is either discon-
nected from power or has a malfunc-
tion.
off The system is disconnected from pow-
er completely or in standby mode. In
some cases this may also indicate a
malfunction.
latch power cable socketLEDhandle