User's Manual

Chapter 6 Maintenance
6.5.1 Combined DRU Shutdown
6.5.1.1 Full System Shutdown
A C
ombined DRU should be shut down in the following sequence:
1. Using the HBE GUI, set SysOperatingMode to standby.
o The LBE GUI Cpl1ForwardPwr reading will decrease by 3 dBm (assuming both HB
and LB sub-systems are operating with equal output power levels).
o The HB HPA LED will be illuminated blue.
o The LNA LED will be extinguished.
o The TRMS HB Status LED will be extinguished.
2. Using the LBE GUI, set SysOperatingMode to standby.
o The LBE GUI Cpl1ForwardPwr reading will be 0 dBm.
o The LB HPA LED will be illuminated blue.
o The TRMS LB Status LED will be extinguished.
3. Switch OFF the HB HPA PSU circuit breakers (CB1, CB2, CB3 and CB4), located on the
HB cabinet PDU.
o The Norm LED’s on the HB HPA PSU’s (PS 1, PS2, PS3 and PS4) will be
extinguished.
o The front panel LED’s on the HB HPA’s (HPA 1, HPA 2, HPA 3 and HPA 4) will flash
green and red alternately.
4. Switch OFF the LB HPA PSU circuit breaker (CB1, CB2, CB3 and CB4), located on the
LB cabinet PDU.
o The Norm LED’s on the LB HPA PSU’s (PS 1, PS2, PS3 and PS4) will be
extinguished.
o The front panel LED’s on the LB HPA’s (HPA 1, HPA 2, HPA 3 and HPA 4) will flash
green and red alternately.
5. Switch OFF the SPARE 2.5A circuit breaker, located on the BMS front panel.
o The BMS alarm LEDs will be illuminated red.
6. Switch OFF the TSC-H 5A circuit breaker, located on the BMS front panel.
o The LED’s on the HB HPA’s will be extinguished.
7. Switch OFF the TSC-L 5A circuit breaker, located on the BMS front panel.
o The LED’s on the LB HPA’s will be extinguished.
8. Switch OFF the HBE 10A circuit breaker, located on the BMS front panel.
o The HBE Power LED will be extinguished and the internal fan will turn off.
9. Switch OFF the LBE 25A circuit breaker, located on the BMS front panel.
o The LBE Power LED will be extinguished and the internal fan will turn off.
10. Switch OFF FAN 1 / FAN 2 (CB 9) and the FAN 3 / FAN 4 (CB10) circuit breakers,
located on the HB cabinet PDU.
o The HP
A compartment fans will turn off (fans cannot be heard) and that the PDU
FAN 1 and 2 LEDs will be extinguished.
SX03-2000
0-01-M01 6-4