Unique Broadband Systems Ltd. DRU1KW User Manual

Page of 176
 
 Chapter 
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 
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. 
OFF 
Fan 1 powered off. 
Red 
Fan 2 powered on. 
OFF 
Fan 2 powered off. 
Red 
Fan 3 powered on. 
OFF 
Fan 3 powered off. 
Red 
Fan 4 powered on. 
OFF 
Fan 4 powered off. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SX03-20000-01-M01 5-3