Unique Broadband Systems Ltd. DRU1KW Manuale Utente

 

 

The HB cabinet AC/DC power should be turned on in the following sequence: 
 

1.  Switch ON the MAIN PDU circuit breaker. 
2.  Switch ON the HE circuit breaker (CB 5), located on the PDU. 

o

 

The air-to-air heat exchanger/heater will not turn on if the DRU is at room 
temperature.  Once the electronics compartment doors are closed, and the 

compartment temperature increases, the air-to-air heat exchanger/heater fans will 
turn on. 

3.  Switch ON the BMS circuit breaker (CB 6), located on the PDU. 

o

 

Ensure that the 12 VDC rectifier LEDs are illuminated green and that the internal 
fans are rotating continuously. 

o

 

Ensure that the BMS mounting shelf CTR LED is illuminated green. 

4.  Switch ON the 12 VDC battery circuit breaker (BAT CB), located on the BMS rear 

panel. 

5.  Switch ON the HBE rear panel power switch and close the electronics compartment 

rear door. 

6.  Switch ON the SERVICE AC circuit breaker (CB 7), located on the PDU. 
7.  Switch ON the FAN 1 / FAN 2 (CB 9) and the FAN 3 / FAN 4 (CB10) circuit breakers, 

located on the PDU. 

o

 

Ensure that the HPA compartment fans are rotating continuously (fans can be 

heard) and that the PDU FAN 1 / FAN 2 and FAN 3 / FAN 4 LEDs are illuminated 
red to indicate current draw. 

8.  Switch ON the HBE 10A circuit breaker, located on the BMS front panel. 

o

 

Ensure that the HBE Power LED is illuminated green and that the internal fan is 

rotating continuously. 

9.  Switch ON the TSC-H 5A circuit breaker, located on the BMS front panel. 

o

 

Ensure that the LED’s on the HB HPA’s begin to flash red and green alternately. 

10. Switch ON the HPA 1 PSU circuit breaker (CB1), located on the PDU. 

o

 

Ensure that the HPA 1 PSU (PS 1) Norm LED is illuminated green. 

o

 

Ensure that the HPA 1 front panel LED is illuminated blue. 

11. Switch ON the HPA 2 PSU circuit breaker (CB2), located on the PDU. 

o

 

Ensure that the HPA 2 PSU (PS 2) Norm LED is illuminated green. 

o

 

Ensure that the HPA 2 front panel LED is illuminated blue. 

12. Switch ON the HPA 3 PSU circuit breaker (CB3), located on the PDU. 

o

 

Ensure that the HPA 3 PSU (PS 3) Norm LED is illuminated green. 

o

 

Ensure that the HPA 3 front panel LED is illuminated blue. 

13. Switch ON the HPA 4 PSU circuit breaker (CB4), located on the PDU. 

o

 

Ensure that the HPA 4 PSU (PS 4) Norm LED is illuminated green. 

o

 

Ensure that the HPA 4 front panel LED is illuminated blue. 

 

SX03-20000-01-M01 4-3