204.4291.04
33
In this module polarity issues are not required. Only mandatory is the position of ground pin.
PSU 120 AC Module
6.3.3.
PSU
120
DC
M
ODULE
The PSU 120 DC module, accepts only DC input voltage, with full range of -48V to -60V.
Other features presents are support for hot swap, redundancy mode, interoperability with PSU 120 AC
module and power good test.
In this module polarity issues are not required. Only mandatory is the position of ground pin.
PSU 120 DC Module
6.3.4.
L
IGHT
I
NDICATORS
Once powered, the PSU 120 module will can activate two LEDs on its panel. The table below shows the
possible states of the LEDs:
Indicator
Color
State
Description
POWER
Green
Off
Failure in powering the module
On
PSU correctly powered
ACT
Green
Off
PSU in stand by
On
PSU is active
PSU 120 Module status light indicators
6.3.5.
P
OWER
I
NPUT AND
C
HASSIS
G
ROUND
C
ONNECTOR
Protection grounding. If used, must be attached to the common point of the union of the protection
grounding systems of the current distributor.