Unique Broadband Systems Ltd. DRU1KW User Manual
Chapter
5
Operation
5.4.5 Power Distribution Unit (PDU)
The HB and LB cabinets each have their own unique PDU.
Each PDU front panel includes an identical set of four (4) LEDs to indicate that the cabinet
fans are operational. The PDU front panel also includes up to ten (10) circuit breakers to
fans are operational. The PDU front panel also includes up to ten (10) circuit breakers to
turn on/off the cabinet AC power.
1) Fan Status LED Indicators
Table 5-1 PDU Fan Status LED Indicator
LED
Color
Description
Red
Fan 1 powered on.
1
OFF
Fan 1 powered off.
Red
Fan 2 powered on.
2
OFF
Fan 2 powered off.
Red
Fan 3 powered on.
3
OFF
Fan 3 powered off.
Red
Fan 4 powered on.
4
OFF
Fan 4 powered off.
SX03-20000-01-M01 5-3