Figure 184: PSU Front Panel
11.2.1
PSU LED Indicators
The following table lists and describes the PSU LED indicators and
page 333
shows their position.
Table 102: Power Supply Unit LED Indicators
LED Name
AC In Status (AC input
indicator)
DC In Status (DC input
and charging indicator)
POWER SUPPLY UNIT
POWER SUPPLY
AC In
Pin 1
DC Out.
Pin 8
Pin 7
Pin 814
ATCC
DC Out
DC in
Battery
Color
Condition
dual color: LED
AC input voltage is
green/red
present and within lim-
its
AC input voltage is not
present or below limits
DC operations only
mode
PSU is supplied from
dual color LED:
DC input
green/red
battery is being charg-
ed
backup battery or a
DC source supplies
Chapter 11: Power Supply Unit
FRONT VIEW
Power
AC In Status
DC In Status
DC Out / Temp
Fan 1
Status
Fan 2
Status
Fan 3
Status
Battery
Temp. Sens.
CAN 1
CAN 2
Figure 184: PSU Front Panel on
Indications
Green - solid
Red - solid
LED off or Orange
– solid
Green - solid
Green/red flashing
fast (2Hz)
Green/red flashing
slow (0.5Hz), shift-
6802800U74-AN
1
333